)a father of 6 children takes 2 of his children at a time to a circus as often as he can, without taking the same pair of children together more than once. how many times does the father go to the circus?
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the answer is 15 according to me as:-
he has to choose 2 children from 6
total number of combinations = 6c2 = 15
father goes to circus 15 times
he has to choose 2 children from 6
total number of combinations = 6c2 = 15
father goes to circus 15 times
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