Puzzle of the day: 140
There are 5 green, 5 blue and 5 red balls are there in a bag. What is the minimum number of picks to ensure that there are 2 balls of same colors are picked
- 11
- 6
- 4
- 2
Anwer: (3) 4 picks Solution worst case scenario is first 3 picked balls are of different color. The moment 4th ball is picked it will be one of the three colors only. Hence minimum 4 picks to ensure that 2 balls are of same color

0 comments