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A train with the average speed of 54 km/...

A train with the average speed of 54 km/h, covers a distance in 200 minutes. To reduce this time to 90 minutes, at what speed ( km/h ) the train should run ?
एक रेलगाड़ी जिसकी औसत गति 54 km/h है, किसी दूरी को 200 मिनट में तय करती है | यात्रा समय को कम कर 90 मिनट करने हेतु रेलगाड़ी को किस गति (km/h में) से चलना चाहिए?

A

120

B

60

C

180

D

220

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PINNACLE-SPEED AND DISTANCE-EXERCISE
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