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Question

A father with 8 children takes 3 at a time to a zoological garden. If the father does not take the same 3 children more than once, then the number of times he will go to the garden is

A
336
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B
112
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C
56
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D
28
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Solution

The correct option is C 56
Number of children =8
Number of children taken at a time =3
We know that number of times the father will go the the garden by taking 3 children out of 8 children =8C3=8!3!5!=56

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