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A train takes 1 minute to cross a statio...

A train takes 1 minute to cross a stationary pole. How long (in seconds) will the train take to cross a bridge whose length is twice the length of the train?
एक रेलगाड़ी किसी स्थिर खंभ को पार करने में 1 मिनट का समय लेती है | किसी पुल, जिसकी लंबाई रेलगाड़ी की लंबाई से दोगुनी है, को पार करने में रेलगाड़ी को कितना समय लगेगा (सेकंड में)?

A

a) 150

B

b) 90

C

c) 120

D

d) 180

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  14. A train with 72 km/h speed crosses a stationary pole in 35 seconds. Ho...

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