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

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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`

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

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