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In a room, every body handshake each oth...

In a room, every body handshake each other. If the number of handshake are 66, then the number of men in the room will be

A

a)33

B

b)22

C

c)12

D

d)11

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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 10-EXERCISE
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  3. In a room, every body handshake each other. If the number of handshake...

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  4. Using set operation, prove that 3 + 4 = 7.

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  8. Find the argument of (-3 - 3i).

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