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JEE Advance - Mathematics (1978 - No. 3)

Balls are drawn one-by-one without replacement from a box containing $$2$$ black, $$4$$ white and $$3$$ red balls till all the balls are drawn. Find the probability that the balls drawn are in the order $$2$$ black, $$4$$ white and $$3$$ red.
1/1260
1/2520
1/360
1/840
1/630

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