MBA Exam

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)

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MBA Other Question

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
A, B and C can complete a piece of work in 24, 16 and 48 days
respectively. All the three started the work, but after 3 days B left
whereas C left the work 3 days before the completion of the work. If
9600 was paid for the work, what was the share of A?

1) 5200
2) 5400
3) 5600
4) 4800