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A bag contains 4 red balls, 6 blue ba...

A bag contains 4 red balls, 6 blue balls and 8 pink balls. One ball is drawn at random and replace with 3 pink balls. A probability that the first ball drawn was either red or blue in colour and the second ball drawn was pink in colour? `12//21` (b) `13//17` (c) `11//30` (d) `13//18` (e) None of these

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