A box contains 3 white balls, 2 black balls and 6 red balls. In how many ways can 3 balls be drawn from the box, if atleast one black ball is to be included in the draw?
Choose the correct choice from the following choices.
A) 52  B) 69  C) 73  D) 47  E) 81
We may have (1 black and 2 non black) or (2 black and 1 non black)   Required number of ways = 2C1*9C2+1*9C1 = 81   Answer is 81
<result>E</result>
A box contains 3 white balls, 2 black balls and 6 red balls. In how many ways can 3 balls be drawn from the box, if atleast one black ball is to be included in the draw?