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In an examination, a student scores 4 ma...

In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. If he attempts all 75 questions and secures 125 marks, the number of questions he attempted correctly, is

A

35

B

40

C

42

D

46

Text Solution

Verified by Experts

The correct Answer is:
B
If the number of correct answer be x, then the number of incorrect answer is (75 - x).
` therefore ` 4x - (75 - x) = 125 or x = 40.
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