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At the end of a business conference all the ten people
present shake hands with each other once. How many
handshakes will there be altogether?

(1) 90

(2) 55

(3) 45

(4) 20

Question Posted / samuel krupakar

Answers were Sorted based on User's Feedback



At the end of a business conference all the ten people present shake hands with each other once. Ho..

Answer / samuel krupakar

( 3 ) 45

Is This Answer Correct ?    28 Yes 2 No

At the end of a business conference all the ten people present shake hands with each other once. Ho..

Answer / sudip kanti das (shonta)

EXPLANATION :-
FORMULA IS
N-1 X (N/2).
NOW PUTTING VALUE
10-1 X (10-2)= 9 X 5 = 45.
SO ANSWER IS = 45

Is This Answer Correct ?    6 Yes 0 No

At the end of a business conference all the ten people present shake hands with each other once. Ho..

Answer / jothi

90

Is This Answer Correct ?    7 Yes 10 No

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