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In an institute 60% of the students ar...

In an institute `60% ` of the students are boys and the rest are girls. Further `15% ` of the boys and `7.5% ` of the girls are getting a fee waiver. If the number of those getting a fee waiver is 90, find the total number of students getting `50% ` concessions if it is given that `50%` of those not getting a fee waiver are eligible to get half fee concession?

A

360

B

280

C

320

D

330

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The correct Answer is:
D
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