"A bag contains 4 red balls, 6 blue balls and 8 pink balls. One ball is drawn at random and
Channel: Doubtnut
Date: 05/04/2020

"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".