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In mathematics exam. A student scored 30...

In mathematics exam. A student scored `30%` marks in the first paper out of a total of 180. How much should he score in second paper out of a total of 150. if he is to get an overall average of atleast `50%`?

A

`74%`

B

`76%`

C

`70%`

D

`80%`

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The correct Answer is:
A
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