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Question Number 94635 by Vishal Sharma last updated on 20/May/20

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

$$\mathrm{A}\:\mathrm{father}\:\mathrm{with}\:\mathrm{8}\:\mathrm{children}\:\mathrm{takes}\:\mathrm{them} \\ $$$$\mathrm{3}\:\mathrm{at}\:\mathrm{a}\:\mathrm{time}\:\mathrm{to}\:\mathrm{the}\:\mathrm{Gardens},\:\mathrm{as}\:\mathrm{often}\:\mathrm{as} \\ $$$$\mathrm{he}\:\mathrm{can}\:\mathrm{without}\:\mathrm{taking}\:\mathrm{the}\:\mathrm{same}\:\mathrm{3}\:\mathrm{children} \\ $$$$\mathrm{together}\:\mathrm{more}\:\mathrm{than}\:\mathrm{once}.\:\mathrm{The}\:\mathrm{number} \\ $$$$\mathrm{of}\:\mathrm{times}\:\mathrm{each}\:\mathrm{child}\:\mathrm{will}\:\mathrm{go}\:\mathrm{to}\:\mathrm{the}\:\mathrm{garden} \\ $$$$\mathrm{is} \\ $$

Answered by prakash jain last updated on 20/May/20

^8 C_3   Number of ways to choose 3 out of 8.

$$\:^{\mathrm{8}} {C}_{\mathrm{3}} \\ $$$$\mathrm{Number}\:\mathrm{of}\:\mathrm{ways}\:\mathrm{to}\:\mathrm{choose}\:\mathrm{3}\:\mathrm{out}\:\mathrm{of}\:\mathrm{8}. \\ $$

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