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Q1:

A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?

A 120 metres

B 120 metres

C 120 metres

D 120 metres

ANS:D - 120 metres

Speed = 60 x 5 m/sec = 50 m/sec.
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Length of the train = (Speed x Time).
Length of the train = 50 x 9 m = 150 m.
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