MBA Exam

A tank is fitted with two pipes X and Y, which can together fill it in 20 minutes. X is opened for half the time taken by Y alone to fill the tank and then closed. Y is then opened for half the time taken by X alone to fill the tank. At this stage, the tank just gets filled up. Find the time taken by Y alone to fill the tank (in minutes).

1) 25
2) 30
3) 24
4) 40

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MBA Other Question

Let PQRS be a square such that p lies on positive y axis,q lies on positive x axis,if s(7,10)..then coordinates of R?tag me during explaination@pavimai @gyrodceite @chandrakant.k

1) 14,5
2) 10,7
3) 10,3
4) 3,5
A raindrop consists of 75% water and the rest is dust. However, by the time it reaches the surface of Earth, it is left with 70% water as 2 ml water evaporates on the way. Find the original volume of the raindrop.

1) 12 ml
2) 15 ml
3) 40 ml
4) 42 ml