In a class test (+4) marks are given for every correct answer and (-2) marks are given for every incorrect answer and no marks for not attempting any questions. Amana answered all the questions and scored 30 though she got 10 correct answers.
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0
Answer:
10×+4=40 mark for correct answer
30 incorrect
30×(-2)
-60 mark for incorrect answers
Answered by
0
Answer:
correct marks = 30
she got 10 correct answers so she must get 10×4=40 marks
40-10=30 so, -2 marks for each incorrect answer .
hence the attempted wrong question = -2×5=10
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