MBA Exam

vessel A contains 5 lts of milk and vessel B contains 5 lts of water . one lt of milk is taken from A and is poured into B.One lt of mixture in B is then poured into A .if the present quantities of milk in B and water in A are Vm and Vw ....find the relation b/n them ??some one please explain the approach ...thank u..!

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MBA Other Question

Two brothers, each aged between 10 and 90, "combined" their ages by writing them down one after the other to create a four digit number, and discovered this number to be the square of an integer. Nine years later they repeated this process (combining their ages in the same order) and found that the combination was again a square of another integer. What was the sum of their original ages?

1) 37
2) 55
3) 63
4) 71
There are 10 different fruits and 5 different vegetables. A grocer has to choose 3 fruits and 2 vegetables in all the possible ways he can do so. What is the number of selections in which a particular fruit and a particular vegetable are always there?

1) 144
2) 120
3) 160
4) 80
5) (10C3 - 1)*(5C2 - 1)