1.

B) A bag contains 10 white and 15 black balls. Two balls are drawn in succession. Whatis the probability that first is white and second is black?

Answer»

Probabilityof getting white ball is 10/25 and probability of getting black ball is 15/24 as ball is drawn without replacement therefore probabilityof getting first ball is white and second ball is black =10/25 * 15/24=1/4



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