A

A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw ?

August 17, 2021

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0 18

August 17, 2021

1 Min Read

0 18

Answer : C. 64

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A

A box contains 4 red, 3 white and 2 blue balls. Three balls are drawn at random. Find out the number of ways of selecting the balls of different colours ?

August 17, 2021

1 Min Read

0 32

August 17, 2021

1 Min Read

0 32

Answer : B. 24

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