Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Out of 10 white, 9 green and 7 black balls, one can select one or more balls in
Text Solution
Verified by ExpertsThe correct answer is:
C
None, one or more white balls can be selected out of 10 in 11 ways.
None, one or more black balls can be selected out of 7 in 8 ways.
Hence, a selection of none, one or more balls from the given lot can be made in 11x10x8= 880 ways. This includes one way when no ball is selected.
Hence, the required number of ways.
= 880 – 1 = 879
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