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In a class test containing 15 questions, 4 marks are given for every correct answer and (–2) marks are given for every incorrect a

By Emma

In a class test containing 15 questions, 4 marks are given for every correct answer and (–2) marks are given for every incorrect answer.(i) Gurpreet attempts all questions but only 9 of her answers are correct.​

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Emma

write down the greatest numbers and the smallest number of 4 digit that can be formed by the digits 7,5,0 and 4 using each digit o

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1 thought on “In a class test containing 15 questions, 4 marks are given for every correct answer and (–2) marks are given for every incorrect a”

  1. Answer:

    number of questions-15

    each question mark-4

    each wrong questions mark-(-2)

    total marks-60

    9×4

    36

    6×2

    12

    36-12

    24

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