SOLUTION: A box contains 100 balls of different colours .28 red , 17 blue , 21 green , 10 white, 12 yellow, 12 black .the smallest number n such that any n balls drawn from the box Will cont

Algebra ->  Permutations -> SOLUTION: A box contains 100 balls of different colours .28 red , 17 blue , 21 green , 10 white, 12 yellow, 12 black .the smallest number n such that any n balls drawn from the box Will cont      Log On


   



Question 889794: A box contains 100 balls of different colours .28 red , 17 blue , 21 green , 10 white, 12 yellow, 12 black .the smallest number n such that any n balls drawn from the box Will contain atleast 15 balls of the same colour is ??
Options are 73, 77, 81, 85

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
You have to consider that you might draw all white then all black and all yellow for a total of 34 you then might draw 14 red, 14 blue 14 green and finally the fifteenth of either red, blue or green
34+42+1=77