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Posted on: Thu, 2008-05-15 00:52 #1
Q2. In a group of 50 people

Sol.
By using De Morgan's Theorem:
Total no. of ppl=ppl speak Hindi + ppl speak English - ppl speak both
=>50=35+E-25
=>E=40

So option(b) is correct...

Giv ur best to d world.
Nd d best will cm back to u....

Regards,
Dipanjan.....

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