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Question

In a class of 45 students 22 can speak Hindi only 12 can speak English only. The number of students who can speak both Hindi and English is :

A
11
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B
23
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C
33
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D
34
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Solution

The correct option is A 11
Here n(H)=22+x
n(E)=12+x
n(HE) =x
n(HE) =45
45+x=22+x+12+x x=11

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