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In a class of 30 pupils, 12 take mathema...

In a class of 30 pupils, 12 take mathematics, 16 take physics and 18 lake chemistry. If all the 30 pupish take at least one subject and no one take all those, then the number of pupish taking 2 subjects is-

A

16

B

10

C

12

D

8

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The correct Answer is:
A
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