EMP Q.11
- Option : A
- Explanation : Number of ways in which 8 balls can be drawn
out of 15 is 15C8
Number of ways of drawing 2 red balls is 5C2
and corresponding to each of these 5C2 ways
of drawing a red ball, there are IOC5 ways of
drawing 6 black balls.
Hence total number of ways in which 2 red
and 6 black balls can be drawn = 5C2 X 10C6Required Probability =
= 140/429
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