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At a party, everyone shook hands with everybody else. There
were 66 handshakes. How many people were at the party?
10
11
12
13
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Answer Posted / chintan
Ans. 12
for 2 ppl thr is 1 hand shake
for 3 thr is 3(1+2)
for 4 thr is 6(1+2+3)
hence
12 ppl coz..sum of 1st 11 is 66...
| Is This Answer Correct ? | 62 Yes | 9 No |
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