Question 49

In an examination, a student gets 4 marks for every correct answer and logos 1 mark for every wrong answer. if he attempts in all 60 questions and secures 130 marks, then find the number of questions he attempted correctly.

Solution

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Let the number of questions answered correctly = x

A/c to question ,

4x + (60 - x)(-1) = 130

=> x= 38

So, the answer would be option c)38

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