Math, asked by rupal742169, 1 year ago

In a test (+5) marks are given for every correct answer and (-2) marks are given for every incorrect answer. Rahul answered all questions and scored 40 marks thought he got 16 correct answer. How many incorrect answer had he attempted?​

Answers

Answered by chandraparthiv
1

Step-by-step explanation:

Let's assume he have attempted x wrong answers

Therefore, 16*5+(-2)*x=40

Or, x=20

Answered by assharma58
11

No. of correct question = 16

Marks scored for correct answer = 16 x 5 = 80

Incorrect questions = 80-40

= 40/2 = 20

No. of incorrect questions = 20

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