Question

rajesh solved 80% of questions in an exam correctly. if out of 41 questions solved by rajesh 37 questions are correct and of the remaining questions out of 8 questions have been solved by rajesh correctly then find the total number of questions asked in the examinationl,

Answer 1

Hi friend,

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Suppose there are 8y questions were asked apart from the 41 question.Then
37 + 5y/41 + 8y = 80% = 4/5
⇒ 185 + 25y = 164 + 32y
⇒ 7y = 21
⇒ y = 3
∴ Total no. of questions = 41 + 8 x 3 = 65.
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