A bag contains 20 balls, 8 balls are green, 7 are white and 5 are red. What is minimum number of balls that mu

### Question Asked by a Student from EXXAMM.com Team

Q 2472480336.     A bag contains 20 balls, 8 balls are green, 7 are white
and 5 are red. What is minimum number of balls that
must be picked up from the bag blind-folded (without
replacing any of it) to be assured of picking atleast
one ball of each colour?
IAS 2000 Prelims
A

4

B

7

C

11

D

16

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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