e.harsh's posts

e.harsh
replied to official quant thread for CAT 2009

hi shalabh..

are u sure that the ans to the probabillilty question is 13/24??

as this is my solution..

one black and one white ball can be drawan as 2(BW+WB)..where order represent the bag no.

no for the first pair.. P(BW)={(2/6*5/} and P(WB)={4/6*3/8}

which gives me ans as 0.5..

are u sure that the ans to the probabillilty question is 13/24??

as this is my solution..

one black and one white ball can be drawan as 2(BW+WB)..where order represent the bag no.

no for the first pair.. P(BW)={(2/6*5/} and P(WB)={4/6*3/8}

which gives me ans as 0.5..