20.In a class test containing 25 questions 5 marks are given for every correct answer and -2 marks are given for every incorrect answers. If

Question

20.In a class test containing 25 questions 5 marks are given for every correct answer and -2 marks are given for every incorrect answers. If Joseph attempts all questions but only 15 of his answers are correct what is his total score?​

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Kylie 4 weeks 2021-11-07T08:47:41+00:00 2 Answers 0 views 0

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    0
    2021-11-07T08:48:47+00:00

    Total marks scored by Joseph is 55

    0
    2021-11-07T08:49:40+00:00

    Answer:

    55 out of 125

    Step-by-step explanation:

    total marks = (marks of correct answers) -(marks for incorrect answers,)

    No of correct answers is 15

    hence, wrong answers is 25-15=10

    Total  \: marks = (15 \times 5) - (10 \times 2) = 75 - 20 \\  = 55

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