At a birthday party, there are 6 friends. If every pers... | Reasoning Class 5

Reasoning Class 5 Possible Combinations

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

At a birthday party, there are 6 friends. If every person shakes hands with every other person exactly once, how many total handshakes will take place?
(A) 30
(B) 15
(C) 12
(D) 36

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