MBA Exam

A vessel of 70 liters is filled with milk and water. 75 % of milk and 25% of water is taken out of the vessel. It is found that the vessel is vacated by 60 %. Find the initial quantity of Water.

1) 21
2) 25
3) 27
4) none

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MBA Other Question

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The no. of positive integers n in the range 12<= n <= 40, for which (n-1)(n-2)(n-3).....3.2.1 is not divisible by n?

1) 28
2) 30
3) 29
4) 7
Trigonometry: A round balloon of radius 'r' subtends an angle @ at the eye of the observer,while the angle of elevation of its center is b .Find the height of the centre of balloon.

1) r cosec (@/2) sin b
2) r sin@ cosec b
3) r/2 sinb
4) r sec(@/2)