A train 150m long passes a km stone in 30 seconds and another train of the same length travelling in opposite direction in 10 seconds. The speed ot the second train is :

A train 150m long passes a km stone in 30 seconds and another train of

1.	A train 150m long passes a km stone in 30 seconds and another train of the same length travelling in opposite direction in 10 seconds. The speed ot the second train is :
A.	90 km/hr
B.	125 km/hr
C.	25 km/hr
D.	75 km/hr
Answer» B. 125 km/hr

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A train 150m long passes a km stone in 30 seconds and another train of the same length travelling in opposite direction in 10 seconds. The speed ot the second train is :

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