Question

Rahul attempted 9/10 of the the total number of questions in an examination. if 3/8 of the the answers were wrong what fraction of the the attempted questions he answered answered correctly?​

Answer 1

$\mathfrak\pink{Answer}$

total attempted questions= 9/10

wrong questions are 3/8

we know that

right questions + wrong questions = total attempted questions

right questions = total attempted

questions - wrong questions

right estions = 9/10 - 3/8

= 36- 15/40

= 21/40

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