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The platform of a station 400 m long sta...

The platform of a station 400 m long starts exactly where the last span of a bridge 1.2 km long ends. How long will a train 200 m long and travelling at the speed of 72 km/h take to cover the distance between the starting point of the span of the bridge and the far end of the platform?
किसी स्टेशन का 400 मीटर लंबा प्लेटफ़ॉर्म ठीक वहीं से शुरू होता है जहाँ 1.2 किमी लंबे पुल का अंतिम पाट समाप्त होता है | 72 किमी/घंटा की चाल से चल रही 200 मीटर लंबी एक ट्रेन को पुल के पाट के आरंभिक बिंदु तथा प्लेटफ़ॉर्म के अंतिम बिंदु तक जाने में कितना समय लगेगा ?

A

1.6 min

B

1.5 min

C

1.8 min

D

1.2 min

Text Solution

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The correct Answer is:
B
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  11. The ratio between the speeds of two trains is 2 : 5. If the first trai...

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  12. The ratio between the speeds of two trains is, 2 : 5. If the first tra...

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