SOLUTION: A father has 8 children. He takes them 3 at a time to zoo as often as he can without taking the same 3 children more than once.
1. How often will he go?
2. How often each child g
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Question 471735: A father has 8 children. He takes them 3 at a time to zoo as often as he can without taking the same 3 children more than once.
1. How often will he go?
2. How often each child go?
Please solve.
Answer by sudhanshu_kmr(1152) (Show Source): You can put this solution on YOUR website!
1. number of ways to select 3 out of 8 = 8C3 = 56
2. number of ways to select other 2 out of 7 (for each child)= 7C2 = 21
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