MBA Exam

Two gun shots are fired at the interval of 24 seconds. A driver of a car moving in the direction of the gun, hears the gun shots in the interval of 22 seconds. Assuming speed of sound=330m/s, find the speed of the car.

1) 30
2) 40
3) 35
4) 60

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MBA Other Question

The number of natural number of n such that (n+1)^2/(n+7) is an integer, is ?

1) 4
2) 5
3) 6
4) none of these
Rs. 69 were divided among 115 students so that each girl gets 50 paise less than a boy. Thus each boy received twice the paise as each girl received. The no. of girls in the class is? (Post the approach also)

1) 92
2) 42
3) 23
4) 46