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In an examination consisting of 150 ques...

In an examination consisting of 150 questions, one mark is given for every correct answer and one fourth marks is decucted for every wrong answer. A student attampts all the 150 questions and scores a total of 100 marks. Find the number of quesions he marked wrong.

A

45

B

50

C

30

D

40

Text Solution

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To solve the problem step by step, we can follow these instructions: ### Step 1: Define Variables Let: - \( x \) = number of questions answered incorrectly - \( y \) = number of questions answered correctly
To solve the problem step by step, we can follow these instructions: ### Step 1: Define Variables Let: - \( x \) = number of questions answered incorrectly - \( y \) = number of questions answered correctly
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