in a quiz competition a student answered 12correct answer and 60% incorrect answer how many questions are asked
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2
30 question were asked
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Answered by
1
Answer:
30
Step-by-step explanation:
let the total no of ques are x
correct=12
incorrect=60%ofx which is equal to 3/5x
we know that ,correct + incorrect= total ques
=12+3/5x=x
=(3x+60)/5=x
=3x+60=5x
on solving we get=x=30
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