Roorkee express normally reaches its des...

Roorkee express normally reaches its destination at 50 km/h in 30 hours. Find the speed at which it travels to reduce the time by 10 hours?

38 km/h

76 km/h

75 km/h

60 km/h

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ARIHANT SSC-TIME, SPEED AND DISTANCE-EXERCISE LEVEL 1

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