Question

1.
2.
3.
4.
Answer (Detailed Solution Below)

Option 4 : 72 km/h

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Detailed Solution

सही उत्तर 72 km/h है।

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Question:

A train $240$ m long crosses a pole in $12$ seconds. Its speed in km/h is / $240$ m लंबी एक ट्रेन एक खंभे को $12$ सेकंड में पार करती है। उसकी गति km/h में है

1.
60 km/h
2.
66 km/h
3.
80 km/h
4.
72 km/h

Correct Answer: 72 km/h

Speed = 240/12 = 20 m/s, and 20 × 18/5 = 72 km/h. / गति = 240/12 = 20 m/s, और 20 × 18/5 = 72 km/h।

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