SATHEE: Permutations And Combinations Question 148

Permutations And Combinations Question 148

Question: A father with 8 children takes them 3 at a time to the Zoological gardens, as often as he can without taking the same 3 children together more than once. The number of times he will go to the garden is

Options:

A) 336

B) 112

C) 56

D) None of these

Show Answer

Answer:

Correct Answer: C

Solution:

The number of times he will go to the garden is same as the number of selecting 3 children from 8. Therefore the required number $ {{=}^{8}}C_3=56 $ .

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Permutations And Combinations Question 148

Question: A father with 8 children takes them 3 at a time to the Zoological gardens, as often as he can without taking the same 3 children together more than once. The number of times he will go to the garden is

Options:

Answer:

Solution:

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