1.

Each of m urns consisting 6 red and 8 black balls. The (m+1)^(th) urn consisting 7 red and 7 black balls. One of the (m+1) urns is selected randomly and two balls are drawn from it without replacement and found to be black. If the probability that (m+1)^(th) urn was selected to draw the ball is 1/17, then the value of m equal to

Answer»

16
15
12
10

Answer :C


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