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Olympiad-Math
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Class 9
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Everyday Mathematics
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Q)
A train of length 150 m takes 10 seconds to pass over another train 100 m long coming from the opposite direction. If the speed of the first train be 30 kmph, the speed of the second train is
( A ) 50 km/h
( B ) 55 km/h
( C ) 60 km/h
( D ) 65 km/h
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