Patni Company

three men invested sum. and their ratio is 5:7:6. profit is 5400.then b's share

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Patni Other Question

3 balls inside a bag having nos on it written 1 , 2, 3 on it. a ball is taken and then put inside it. Find probability that all 3 nos r the same when it is taken 3 times 15c6+15c7+16c8=== 17cx
find x