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In the half yearly exam only 70% of the ...

In the half yearly exam only `70%` of the students were passed. Out of these (passed in half yearly) only `60%` students are passed in annual exam. Out of those who did not pass the half yearly exam , `80%` passed in annual exam . What per cent of the students passed the annual exam ?

A

`42%`

B

`56%`

C

`66%`

D

none of these

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Verified by Experts

The correct Answer is:
C
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