Question

There is a bag containing 16 green marbles, 14 blue marbles and 13 red marbles.what is the least amount of marbles that i must pick out to be sure that i got 3 different colours?

Answer 1

31

Explanation:

16+14+1 = 31

There is a possibility that I pick out all (16) green marbles, then all (14) blue ones and the following (31-th) marble must be red