a box contains 2 white balls 3 black balls and 4 red balls in how many ways can 3 balls be drawn if 2 red balls are drawn?
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Step-by-step explanation:
The bag contains 2 White, 3 Black and 4 Red balls. So, total 9 balls are there in the bag; among them 3 are Black and 6 are non-Black balls. Three balls can randomly be drawn in (9C3) = 84 ways.
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