MBA Exam

There are five distinct prime numbers P1,P2,P3,P4,P5..If the LCM of P1,P2,P3,P4 is 4186 and the LCM of P2,P3,P4,P5 is 9338..what is the value of P5-P1??

1) 10
2) 12
3) 16
4) cannot be determined

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MBA Other Question

There are 2 vertical flagposts of heights 5*(31/2) m and 10*(31/2) m respectively, which are 10 meters apart. Vineet picks up a random point on the ground between the flagposts and observes the angle of elevation of the 2 flagposts. What is the chance that Vineet will find both the falgposts subtending an angle of atleast 60 degrees?

1) 50
2) 75
3) 100
4) none of these
A container contains 40 litres of solution of milk and water with milk and water in the ratio of 2:3.4 litres of water is added and then 4 litres of mixture is taken out.This process is repeated once more.Find the milk to water ratio now.?

1) 18:55
2) 18:37
3) 55:18
4) none of these