In a basket of 10 apples,John wants only 3 apples to give their 3 friends.In how many ways that john select apples from a basket?
Select the correct option.
A) 120	B) 150	C) 30	D) 100	E) 50
By the statement john wants 3 apples. He needs to select 3 apples out of 10 apples in a basket.   The probability to select is 10C3.   10C3=10!/7!*3!=10*9*8*7!/7!*3*2*1   =120   John have 120 ways to select 3 apples out of 10 apples.   The answer is option 120
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In a basket of 10 apples,John wants only 3 apples to give their 3 friends.In how many ways that john select apples from a basket?