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If A is 25 kms east of B, which is 12 kms south of C, which is 9 kms west of D. A person starts walking at 3 kms/hr from A towards D. Calculate the distance of the point from A where he is going to meet a person from D walking towards A at 2 kms / hr.

a) 20 b) 12 c) 8 d) 20 sqrt (12*8)

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Patni Other Question
When a stone is dropped from a building 200 m high, its speed is proportional to the time elapsed after dropping. The distance traveled is proportional to the square of the time elapsed. After 1 second the speed of the train was 10 m/sec and it was 190 m above the ground. When its speed is 25 m/sec, what would be its distance from the ground?

a) 140 m b) 137.5 m c) 125.75 m d) 142.5 m Walking at 6/7th of his usual speed, a man is 25 mins too late. His usual time is

a) 7.5 hrs b) 1.5 hrs c) 2.5 hrs d) 1.67 hrs