Question
A goods train leaves a station at a certain time and at a fixed speed.
After ^hours, an express train leaves the same station and moves in the
same direction at a uniform speed of 90 kmph. This train catches up the
goods train in 4 hours. Find the speed of the goods train.
A goods train leaves a station at a certain time and at a fixed speed.
After ^hours, an express train leaves the same station and moves in the
same direction at a uniform speed of 90 kmph. This train catches up the
goods train in 4 hours. Find the speed of the goods train.
Answer: Option B
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Let the speed of the goods train be x kmph.
Distance covered by goods train in 10 hours = Distance covered by express train in 4 hours
10x = 4 x 90 or x =36.
So, speed of goods train = 36kmph.
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