Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The number of groups that can be made from 5 different green balls, 4 different blue balls and 3 different red balls, if at least 1 green and 1 blue ball is to be included
Text Solution
Verified by ExpertsThe correct answer is:
B
At least one green ball can be selected out of 5 green balls in 
, in 31 ways. Similarly at least one blue ball can be selected from 4 blue balls in 
ways. And at least one red or not red can be select in 
ways.
Hence required number of ways = 
.
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