Question

A bag contains 5 black, 3 white and 2 red balls. In how many ways can (a) 3 ball be

drawn, (b) 3 black balls be drawn, (c) 2 black and 2 white balls be drawn
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Answer 1

Answer:

64 balls can be drawn

Step-by-step explanation:

no.of black ball=5

no.of white ball=3

no.of red ball=2

total no.of ways=3C3+3C2×6C1+3C1×6C2

=3C2+3C1×6C1+3C1×6C2

=1+3×6+3×6×5/2×1

=1+18+45

=64

Hence,64 balls can be drawn