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IN a meeting everyone had shaken hands w...

IN a meeting everyone had shaken hands with everyone else, it was found that 66 handshakes were exchanged . Number of persons present in the meeting is

A

17

B

12

C

13

D

18

Text Solution

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The correct Answer is:
B
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AAKASH INSTITUTE-PERMUTATIONS AND COMBINATIONS -Assignment Section A Objective type questions (One option is correct )
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  13. Number of even numbes greater than 300 that can be formed with the dig...

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