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JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

A father with children takes at a time to the zoological garden, as often as he can without taking the same children together more than once. The number of times he will go to the garden, is

Answer: (B)

Solution

Each visit takes a different group of children, and there is no ordering within a group. The

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Question ID VK-020534