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A train crosses a platform 180 m long in...

A train crosses a platform 180 m long in 60 sec at a speed of 72 km/h. The time taken by the train to cross an electric pole is:
एक ट्रेन 72 किमी/घंटा की चाल से 180 मीटर लंबे प्लेटफ़ॉर्म को 60 सेकंड में पार करती है | बिजली के खंभे को पार करने में ट्रेन को कितना समय लगेगा ?

A

0.51 min

B

5.1 min

C

51 sec

D

5.1 sec

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