MBA Exam

Consider the series: 1,4,7,10,13,... In the first 300 numbers, how many numbers can be expressed as a difference of two perfect squares in at least one way?

1) 225
2) 300
3) 150
4) 600

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MBA Other Question

two circles of equal radii intersect each other at two points..the length of the common chord is 4 .the tangent of one circle passes through the center of the other.what is the area of circle?

1) 2pie
2) 4pie
3) 8pie
4) 16pie
a train 150 metres long, travelling at 75 km per hour, overtakes another train travelling in the same direction at 45 km per hour. In how many seconds does the first train pass a passenger sitting in the second train ? if the first train passes the second completely in 30 seconds, find the length of the second train.

1) 22 sec, 150 m
2) 10 sec, 50 m
3) 25 sec, 200 m
4) 18 sec, 100 m