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Baseline Test 7 Statistics - Tables

How difficult are the questions?

  • The number in each cell is the percentage of the group that got this question wrong.
  • A high number indicates a difficult question, a low number an easy question.
    • Question Year 6 Year 7 Year 8 Year 9 Year 10
    Boys Girls All Boys Girls All Boys Girls All Boys Girls All Boys Girls All
    1 45 36 41 33 37 35 33 34 34 29 33 31 21 24 23
    2 8 7 8 21 17 19 22 21 22 23 21 22 19 16 18
    3 8 27 18 16 13 15 17 14 16 17 13 15 14 10 12
    4 8 20 14 23 20 22 21 21 21 24 21 23 19 16 18
    5 75 73 74 84 82 83 84 81 83 83 81 82 84 83 84
    6 25 27 26 46 50 48 43 47 45 42 44 43 27 25 26
    7 42 40 41 34 36 35 32 32 32 33 29 31 21 19 20
    8 42 73 58 66 67 67 67 66 67 64 61 63 53 52 53
    9 50 93 72 69 69 69 66 67 67 67 67 67 65 64 65
    10 42 67 55 53 55 54 51 52 52 50 49 50 50 42 46
    11 83 53 68 68 72 70 68 71 70 67 69 68 61 66 64
    12 75 80 78 82 85 84 84 83 84 84 85 85 82 84 83
    13 75 67 71 74 74 74 73 72 73 71 68 70 60 59 60
    14 75 93 84 75 80 78 76 79 78 77 78 78 73 79 76
    15 25 53 39 49 47 48 49 46 48 51 45 48 54 49 52
    16 58 47 53 34 37 36 37 39 38 42 39 41 32 29 31
    17 50 80 65 83 85 84 82 82 82 82 78 80 73 74 74
    18 25 20 23 28 29 29 29 30 30 30 29 30 27 25 26
    19 58 80 69 67 67 67 65 65 65 66 64 65 64 61 63
    20 92 100 96 79 82 81 79 83 81 78 81 80 73 80 77
    21 100 100 100 91 93 92 91 93 92 93 94 94 91 94 93
    22 67 73 70 74 74 74 73 71 72 73 70 72 69 62 66
    23 25 67 46 53 57 55 52 51 52 49 48 49 35 37 36
    24 25 40 33 39 32 36 34 31 33 36 26 31 26 21 24
    25 42 67 55 68 68 68 67 66 67 67 62 65 57 53 55
    26 17 53 35 30 32 31 31 33 32 33 32 33 27 25 26
    27 67 93 80 69 74 72 69 70 70 67 67 67 66 67 67
    28 42 40 41 43 41 42 42 36 39 42 33 38 34 28 31
    29 58 47 53 72 79 76 71 76 74 70 73 72 63 66 65
    30 8 33 21 21 19 20 22 19 21 23 17 20 19 14 17
    31 33 20 27 46 42 44 48 44 46 50 43 47 43 38 41
    32 25 33 29 22 20 21 25 22 24 24 19 22 23 18 21
    33 83 67 75 78 80 79 78 79 79 77 78 78 67 73 70
    34 42 73 58 54 72 63 47 67 57 40 50 45 25 35 30
    35 58 47 53 49 45 47 49 45 47 52 44 48 44 36 40
    36 67 60 64 54 62 58 56 61 59 59 61 60 52 52 52
    37 92 67 80 81 82 82 80 80 80 81 81 81 83 82 83
    38 67 87 77 81 82 82 81 79 80 76 76 76 70 71 71
    39 100 80 90 95 95 95 94 95 95 93 94 94 91 91 91
    40 75 67 71 69 75 72 68 68 68 67 65 66 53 50 52
    41 58 47 53 60 55 58 56 53 55 54 49 52 47 39 43
    42 67 73 70 67 71 69 66 66 66 70 69 70 70 71 71
    43 50 87 69 65 65 65 59 64 62 59 60 60 54 52 53
    44 92 100 96 82 83 83 81 81 81 82 80 81 79 78 79
    45 75 87 81 71 74 73 76 75 76 78 77 78 82 85 84
    46 100 93 97 88 87 88 89 86 88 89 86 88 89 85 87
    47 83 60 72 83 85 84 80 84 82 78 80 79 71 70 71
    48 33 60 47 55 55 55 52 51 52 49 45 47 39 37 38
    49 42 67 55 73 73 73 72 71 72 71 68 70 63 61 62
    50 67 20 44 60 56 58 60 57 59 62 56 59 55 49 52

    Popular wrong answers.

  • This table identifies the wrong answer with the most selections for each question for each group.
    • Question Year 6 Year 7 Year 8 Year 9 Year 10
    Boys Girls All Boys Girls All Boys Girls All Boys Girls All Boys Girls All
    1

    a) circle

    a) circle

    a) circle

    a) circle

    a) circle

    a) circle

    a) circle

    a) circle

    a) circle

    a) circle

    a) circle

    a) circle

    a) circle

    a) circle

    a) circle
    2

    a) square and cube

    a) square and cube

    a) square and cube

    a) square and cube

    a) square and cube

    a) square and cube

    a) square and cube

    a) square and cube

    a) square and cube

    a) square and cube

    a) square and cube

    a) square and cube

    a) square and cube

    a) square and cube

    a) square and cube
    3

    c) making an appointment with an unknown person you met on the internet

    a) sharing your login and password with a friend

    a) sharing your login and password with a friend

    a) sharing your login and password with a friend

    a) sharing your login and password with a friend

    a) sharing your login and password with a friend

    a) sharing your login and password with a friend

    a) sharing your login and password with a friend

    a) sharing your login and password with a friend

    a) sharing your login and password with a friend

    a) sharing your login and password with a friend

    a) sharing your login and password with a friend

    a) sharing your login and password with a friend

    a) sharing your login and password with a friend

    a) sharing your login and password with a friend
    4

    b) logging in on your school computer account

    b) logging in on your school computer account

    b) logging in on your school computer account

    d) a pop-up message asking you to update Adobe Reader software

    d) a pop-up message asking you to update Adobe Reader software

    d) a pop-up message asking you to update Adobe Reader software

    d) a pop-up message asking you to update Adobe Reader software

    d) a pop-up message asking you to update Adobe Reader software

    d) a pop-up message asking you to update Adobe Reader software

    d) a pop-up message asking you to update Adobe Reader software

    d) a pop-up message asking you to update Adobe Reader software

    d) a pop-up message asking you to update Adobe Reader software

    d) a pop-up message asking you to update Adobe Reader software

    d) a pop-up message asking you to update Adobe Reader software

    d) a pop-up message asking you to update Adobe Reader software
    5

    c) fortran and java

    d) basic and cobol

    d) basic and cobol

    c) fortran and java

    d) basic and cobol

    c) fortran and java

    c) fortran and java

    d) basic and cobol

    c) fortran and java

    c) fortran and java

    c) fortran and java

    c) fortran and java

    c) fortran and java

    c) fortran and java

    c) fortran and java
    6

    c) matriculation

    b) test

    b) test

    b) test

    c) matriculation

    b) test

    b) test

    b) test

    b) test

    b) test

    c) matriculation

    c) matriculation

    c) matriculation

    c) matriculation

    c) matriculation
    7

    c) something that only works on modern computers

    a) easy to learn

    a) easy to learn

    a) easy to learn

    a) easy to learn

    a) easy to learn

    c) something that only works on modern computers

    c) something that only works on modern computers

    c) something that only works on modern computers

    a) easy to learn

    a) easy to learn

    a) easy to learn

    c) something that only works on modern computers

    c) something that only works on modern computers

    c) something that only works on modern computers
    8

    c) something that is not possible

    a) a PDF file in your mail

    a) a PDF file in your mail

    a) a PDF file in your mail

    a) a PDF file in your mail

    a) a PDF file in your mail

    a) a PDF file in your mail

    a) a PDF file in your mail

    a) a PDF file in your mail

    a) a PDF file in your mail

    a) a PDF file in your mail

    a) a PDF file in your mail

    a) a PDF file in your mail

    a) a PDF file in your mail

    a) a PDF file in your mail
    9

    b) print all the numbers between 170 and 220

    d) print the even numbers between 170 and 220

    d) print the even numbers between 170 and 220

    b) print all the numbers between 170 and 220

    b) print all the numbers between 170 and 220

    b) print all the numbers between 170 and 220

    b) print all the numbers between 170 and 220

    b) print all the numbers between 170 and 220

    b) print all the numbers between 170 and 220

    b) print all the numbers between 170 and 220

    b) print all the numbers between 170 and 220

    b) print all the numbers between 170 and 220

    b) print all the numbers between 170 and 220

    b) print all the numbers between 170 and 220

    b) print all the numbers between 170 and 220
    10

    b) a computer can write its own sub program

    b) a computer can write its own sub program

    b) a computer can write its own sub program

    b) a computer can write its own sub program

    b) a computer can write its own sub program

    b) a computer can write its own sub program

    b) a computer can write its own sub program

    b) a computer can write its own sub program

    b) a computer can write its own sub program

    b) a computer can write its own sub program

    b) a computer can write its own sub program

    b) a computer can write its own sub program

    b) a computer can write its own sub program

    b) a computer can write its own sub program

    b) a computer can write its own sub program
    11

    b) an alphanumeric

    b) an alphanumeric

    b) an alphanumeric

    b) an alphanumeric

    b) an alphanumeric

    b) an alphanumeric

    b) an alphanumeric

    b) an alphanumeric

    b) an alphanumeric

    b) an alphanumeric

    b) an alphanumeric

    b) an alphanumeric

    b) an alphanumeric

    b) an alphanumeric

    b) an alphanumeric
    12

    c) 43

    b) 50

    b) 50

    b) 50

    b) 50

    b) 50

    b) 50

    b) 50

    b) 50

    b) 50

    b) 50

    b) 50

    c) 43

    c) 43

    c) 43
    13

    b) .jpg

    b) .jpg

    b) .jpg

    b) .jpg

    b) .jpg

    b) .jpg

    b) .jpg

    b) .jpg

    b) .jpg

    b) .jpg

    b) .jpg

    b) .jpg

    b) .jpg

    b) .jpg

    b) .jpg
    14

    d) make the files smaller

    b) cut the file into pieces

    b) cut the file into pieces

    b) cut the file into pieces

    b) cut the file into pieces

    b) cut the file into pieces

    b) cut the file into pieces

    b) cut the file into pieces

    b) cut the file into pieces

    b) cut the file into pieces

    b) cut the file into pieces

    b) cut the file into pieces

    b) cut the file into pieces

    b) cut the file into pieces

    b) cut the file into pieces
    15

    c) search engines

    c) search engines

    c) search engines

    c) search engines

    c) search engines

    c) search engines

    c) search engines

    c) search engines

    c) search engines

    c) search engines

    c) search engines

    c) search engines

    c) search engines

    c) search engines

    c) search engines
    16

    d) to make it easier to switch to pause

    b) to see how old your computer is to make an offer for a new one

    b) to see how old your computer is to make an offer for a new one

    d) to make it easier to switch to pause

    d) to make it easier to switch to pause

    d) to make it easier to switch to pause

    d) to make it easier to switch to pause

    d) to make it easier to switch to pause

    d) to make it easier to switch to pause

    d) to make it easier to switch to pause

    d) to make it easier to switch to pause

    d) to make it easier to switch to pause

    d) to make it easier to switch to pause

    d) to make it easier to switch to pause

    d) to make it easier to switch to pause
    17

    a) it is easier to detect errors in all 1’s and 0’s

    a) it is easier to detect errors in all 1’s and 0’s

    a) it is easier to detect errors in all 1’s and 0’s

    a) it is easier to detect errors in all 1’s and 0’s

    a) it is easier to detect errors in all 1’s and 0’s

    a) it is easier to detect errors in all 1’s and 0’s

    a) it is easier to detect errors in all 1’s and 0’s

    a) it is easier to detect errors in all 1’s and 0’s

    a) it is easier to detect errors in all 1’s and 0’s

    a) it is easier to detect errors in all 1’s and 0’s

    a) it is easier to detect errors in all 1’s and 0’s

    a) it is easier to detect errors in all 1’s and 0’s

    a) it is easier to detect errors in all 1’s and 0’s

    a) it is easier to detect errors in all 1’s and 0’s

    a) it is easier to detect errors in all 1’s and 0’s
    18

    a) one

    a) one

    a) one

    a) one

    a) one

    a) one

    a) one

    a) one

    a) one

    a) one

    a) one

    a) one

    a) one

    a) one

    a) one
    19

    b) DNG file

    a) RAW file

    a) RAW file

    a) RAW file

    a) RAW file

    a) RAW file

    a) RAW file

    a) RAW file

    a) RAW file

    a) RAW file

    a) RAW file

    a) RAW file

    a) RAW file

    d) TIFF file

    d) TIFF file
    20

    b) joker

    c) radar

    c) radar

    c) radar

    c) radar

    c) radar

    c) radar

    c) radar

    c) radar

    c) radar

    c) radar

    c) radar

    c) radar

    c) radar

    c) radar
    21

    c) trademark

    a) copyright

    a) copyright

    a) copyright

    a) copyright

    a) copyright

    a) copyright

    a) copyright

    a) copyright

    a) copyright

    a) copyright

    a) copyright

    a) copyright

    a) copyright

    a) copyright
    22

    d) a digital camera has no shutter, aperture and lens

    d) a digital camera has no shutter, aperture and lens

    d) a digital camera has no shutter, aperture and lens

    d) a digital camera has no shutter, aperture and lens

    d) a digital camera has no shutter, aperture and lens

    d) a digital camera has no shutter, aperture and lens

    d) a digital camera has no shutter, aperture and lens

    d) a digital camera has no shutter, aperture and lens

    d) a digital camera has no shutter, aperture and lens

    d) a digital camera has no shutter, aperture and lens

    d) a digital camera has no shutter, aperture and lens

    d) a digital camera has no shutter, aperture and lens

    d) a digital camera has no shutter, aperture and lens

    d) a digital camera has no shutter, aperture and lens

    d) a digital camera has no shutter, aperture and lens
    23

    a) to switch your computer on and off

    c) to email and re-open it

    c) to email and re-open it

    d) to use the keys CTL+ALT+DEL

    d) to use the keys CTL+ALT+DEL

    d) to use the keys CTL+ALT+DEL

    d) to use the keys CTL+ALT+DEL

    d) to use the keys CTL+ALT+DEL

    d) to use the keys CTL+ALT+DEL

    d) to use the keys CTL+ALT+DEL

    d) to use the keys CTL+ALT+DEL

    d) to use the keys CTL+ALT+DEL

    d) to use the keys CTL+ALT+DEL

    d) to use the keys CTL+ALT+DEL

    d) to use the keys CTL+ALT+DEL
    24

    d) your e-mail address

    d) your e-mail address

    d) your e-mail address

    d) your e-mail address

    d) your e-mail address

    d) your e-mail address

    d) your e-mail address

    d) your e-mail address

    d) your e-mail address

    d) your e-mail address

    d) your e-mail address

    d) your e-mail address

    d) your e-mail address

    d) your e-mail address

    d) your e-mail address
    25

    d) in order to increase the speed of your computer

    a) to convert an analogue signal into a digital signal

    a) to convert an analogue signal into a digital signal

    a) to convert an analogue signal into a digital signal

    a) to convert an analogue signal into a digital signal

    a) to convert an analogue signal into a digital signal

    a) to convert an analogue signal into a digital signal

    a) to convert an analogue signal into a digital signal

    a) to convert an analogue signal into a digital signal

    a) to convert an analogue signal into a digital signal

    a) to convert an analogue signal into a digital signal

    a) to convert an analogue signal into a digital signal

    a) to convert an analogue signal into a digital signal

    a) to convert an analogue signal into a digital signal

    a) to convert an analogue signal into a digital signal
    26

    d) the next number is 24

    b) each time the number is a doubling of the previous one

    b) each time the number is a doubling of the previous one

    b) each time the number is a doubling of the previous one

    b) each time the number is a doubling of the previous one

    b) each time the number is a doubling of the previous one

    b) each time the number is a doubling of the previous one

    b) each time the number is a doubling of the previous one

    b) each time the number is a doubling of the previous one

    b) each time the number is a doubling of the previous one

    b) each time the number is a doubling of the previous one

    b) each time the number is a doubling of the previous one

    b) each time the number is a doubling of the previous one

    b) each time the number is a doubling of the previous one

    b) each time the number is a doubling of the previous one
    27

    b) something which can be purchased to work with it

    b) something which can be purchased to work with it

    b) something which can be purchased to work with it

    b) something which can be purchased to work with it

    b) something which can be purchased to work with it

    b) something which can be purchased to work with it

    b) something which can be purchased to work with it

    b) something which can be purchased to work with it

    b) something which can be purchased to work with it

    b) something which can be purchased to work with it

    b) something which can be purchased to work with it

    b) something which can be purchased to work with it

    b) something which can be purchased to work with it

    b) something which can be purchased to work with it

    b) something which can be purchased to work with it
    28

    c. to scroll page by page

    c. to scroll page by page

    c. to scroll page by page

    c. to scroll page by page

    c. to scroll page by page

    c. to scroll page by page

    c. to scroll page by page

    c. to scroll page by page

    c. to scroll page by page

    c. to scroll page by page

    c. to scroll page by page

    c. to scroll page by page

    c. to scroll page by page

    c. to scroll page by page

    c. to scroll page by page
    29

    c) Legacy

    d) Facebook

    c) Legacy

    b) Google

    b) Google

    b) Google

    b) Google

    b) Google

    b) Google

    b) Google

    b) Google

    b) Google

    c) Legacy

    b) Google

    b) Google
    30

    b) because it is easier to ofer files for sale

    d) with a backup, you can leave your computer switched on

    d) with a backup, you can leave your computer switched on

    d) with a backup, you can leave your computer switched on

    d) with a backup, you can leave your computer switched on

    d) with a backup, you can leave your computer switched on

    d) with a backup, you can leave your computer switched on

    d) with a backup, you can leave your computer switched on

    d) with a backup, you can leave your computer switched on

    d) with a backup, you can leave your computer switched on

    d) with a backup, you can leave your computer switched on

    d) with a backup, you can leave your computer switched on

    d) with a backup, you can leave your computer switched on

    d) with a backup, you can leave your computer switched on

    d) with a backup, you can leave your computer switched on
    31

    d) the next person who will log in can use data

    d) the next person who will log in can use data

    d) the next person who will log in can use data

    d) the next person who will log in can use data

    d) the next person who will log in can use data

    d) the next person who will log in can use data

    d) the next person who will log in can use data

    d) the next person who will log in can use data

    d) the next person who will log in can use data

    d) the next person who will log in can use data

    d) the next person who will log in can use data

    d) the next person who will log in can use data

    d) the next person who will log in can use data

    d) the next person who will log in can use data

    d) the next person who will log in can use data
    32

    d) because there are worms in it

    a) when there is bacteria in it

    a) when there is bacteria in it

    b) when it contains a trojan horse

    b) when it contains a trojan horse

    b) when it contains a trojan horse

    b) when it contains a trojan horse

    b) when it contains a trojan horse

    b) when it contains a trojan horse

    b) when it contains a trojan horse

    b) when it contains a trojan horse

    b) when it contains a trojan horse

    b) when it contains a trojan horse

    b) when it contains a trojan horse

    b) when it contains a trojan horse
    33

    c) security

    c) security

    c) security

    c) security

    c) security

    c) security

    c) security

    c) security

    c) security

    c) security

    c) security

    c) security

    c) security

    c) security

    c) security
    34

    d) a hard disk drive

    d) a hard disk drive

    d) a hard disk drive

    d) a hard disk drive

    d) a hard disk drive

    d) a hard disk drive

    d) a hard disk drive

    d) a hard disk drive

    d) a hard disk drive

    d) a hard disk drive

    d) a hard disk drive

    d) a hard disk drive

    d) a hard disk drive

    d) a hard disk drive

    d) a hard disk drive
    35

    d) they use little power

    c) components are used with a layer of plastic

    d) they use little power

    d) they use little power

    d) they use little power

    d) they use little power

    d) they use little power

    d) they use little power

    d) they use little power

    d) they use little power

    d) they use little power

    d) they use little power

    d) they use little power

    d) they use little power

    d) they use little power
    36

    c) the Wi-Fi system will use Ethernet

    d. the Wi-Fi system uses 8G

    d. the Wi-Fi system uses 8G

    c) the Wi-Fi system will use Ethernet

    c) the Wi-Fi system will use Ethernet

    c) the Wi-Fi system will use Ethernet

    c) the Wi-Fi system will use Ethernet

    c) the Wi-Fi system will use Ethernet

    c) the Wi-Fi system will use Ethernet

    c) the Wi-Fi system will use Ethernet

    c) the Wi-Fi system will use Ethernet

    c) the Wi-Fi system will use Ethernet

    c) the Wi-Fi system will use Ethernet

    c) the Wi-Fi system will use Ethernet

    c) the Wi-Fi system will use Ethernet
    37

    c) is a value in the decimal system

    c) is a value in the decimal system

    c) is a value in the decimal system

    c) is a value in the decimal system

    c) is a value in the decimal system

    c) is a value in the decimal system

    a) takes a value

    c) is a value in the decimal system

    a) takes a value

    a) takes a value

    a) takes a value

    a) takes a value

    a) takes a value

    a) takes a value

    a) takes a value
    38

    2) 10100

    2) 10100

    2) 10100

    2) 10100

    2) 10100

    2) 10100

    2) 10100

    2) 10100

    2) 10100

    2) 10100

    2) 10100

    2) 10100

    2) 10100

    2) 10100

    2) 10100
    39

    c) 010

    c) 010

    c) 010

    b) 002

    b) 002

    b) 002

    b) 002

    b) 002

    b) 002

    b) 002

    b) 002

    b) 002

    c) 010

    c) 010

    c) 010
    40

    3) 101⁄2

    2) 200.5

    3) 101⁄2

    3) 101⁄2

    3) 101⁄2

    3) 101⁄2

    3) 101⁄2

    3) 101⁄2

    3) 101⁄2

    3) 101⁄2

    3) 101⁄2

    3) 101⁄2

    3) 101⁄2

    2) 200.5

    2) 200.5
    41

    a) question

    b) on to the next step

    b) on to the next step

    d) the process

    d) the process

    d) the process

    d) the process

    d) the process

    d) the process

    d) the process

    d) the process

    d) the process

    d) the process

    d) the process

    d) the process
    42

    d) a comment

    b) an action

    b) an action

    b) an action

    b) an action

    b) an action

    b) an action

    b) an action

    b) an action

    b) an action

    b) an action

    b) an action

    b) an action

    b) an action

    b) an action
    43

    a) an announcement

    a) an announcement

    a) an announcement

    a) an announcement

    d) a reference

    d) a reference

    d) a reference

    d) a reference

    d) a reference

    d) a reference

    d) a reference

    d) a reference

    a) an announcement

    d) a reference

    d) a reference
    44

    b) a data stream

    b) a data stream

    b) a data stream

    b) a data stream

    b) a data stream

    b) a data stream

    b) a data stream

    b) a data stream

    b) a data stream

    b) a data stream

    b) a data stream

    b) a data stream

    b) a data stream

    b) a data stream

    b) a data stream
    45

    b) a command

    b) a command

    b) a command

    b) a command

    b) a command

    b) a command

    b) a command

    b) a command

    b) a command

    b) a command

    b) a command

    b) a command

    b) a command

    b) a command

    b) a command
    46

    c) a loop

    c) a loop

    c) a loop

    c) a loop

    c) a loop

    c) a loop

    c) a loop

    c) a loop

    c) a loop

    c) a loop

    c) a loop

    c) a loop

    c) a loop

    c) a loop

    c) a loop
    47

    b) 11011100

    d) 11101111

    b) 11011100

    b) 11011100

    b) 11011100

    b) 11011100

    b) 11011100

    b) 11011100

    b) 11011100

    b) 11011100

    b) 11011100

    b) 11011100

    b) 11011100

    b) 11011100

    b) 11011100
    48

    a) think of it when you turn on your computer

    a) think of it when you turn on your computer

    a) think of it when you turn on your computer

    c) add it in airdrop

    c) add it in airdrop

    c) add it in airdrop

    c) add it in airdrop

    d) put the link on LinkedIn

    c) add it in airdrop

    c) add it in airdrop

    c) add it in airdrop

    c) add it in airdrop

    c) add it in airdrop

    c) add it in airdrop

    c) add it in airdrop
    49

    d) CTRL+ALT+DEL

    c) shift and a letter

    c) shift and a letter

    d) CTRL+ALT+DEL

    d) CTRL+ALT+DEL

    d) CTRL+ALT+DEL

    d) CTRL+ALT+DEL

    d) CTRL+ALT+DEL

    d) CTRL+ALT+DEL

    d) CTRL+ALT+DEL

    d) CTRL+ALT+DEL

    d) CTRL+ALT+DEL

    c) shift and a letter

    c) shift and a letter

    c) shift and a letter
    50

    a) accurately calculate the age of a pet

    d) to calculate a plurality

    a) accurately calculate the age of a pet

    c) to count back to zero

    d) to calculate a plurality

    c) to count back to zero

    c) to count back to zero

    d) to calculate a plurality

    d) to calculate a plurality

    c) to count back to zero

    d) to calculate a plurality

    d) to calculate a plurality

    c) to count back to zero

    d) to calculate a plurality

    c) to count back to zero
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