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समय और दूरी
Time and Distance
Question 31 of 36
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Question 31
A train crosses a bridge of length 150 m in 15 seconds and a man standing on the bridge in 9 seconds. The speed of the train is:
A. (a) 54 km/hr
B. (b) 75 km/hr
C. (c) 90 km/hr
D. (d) 60 km/hr
Explanation ट्रेन ने 15-9=6 सेकंड में 150 m दूरी तय की। चाल = 150/6 = 25 m/s = 90 km/hr।
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