1.

A box contains 12 marbles of three different colours green, yellow and blue – 4 each. If you were to close your eyes and pick them at random, how many marbles must you take out to be sure that there are at least two of one colour among the marbles picked out.

Answer»

Answer:

When 3 marbles are picked up it MAY be the maximum CASE that all are of different colors.

So, if another one MARBLE is picked up then SURELY it will match with one existing marble's color.

so ans will be 4

hope it helps you !!



Discussion

No Comment Found

Related InterviewSolutions