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Q.
A man walking at the rate of 5 km/hr crosses a bridge in 15 minutes. The length of the bridge (in metres) is
A.
600
B.
750
C.
1000
D.
1250
View Answer
Correct choice: D
Explanation:
speed = (5x5/18)m/sec = 25/18 m/sec. Distance covered in 15 minutes = (25/18 x 15 x 60)m = 1250 m.
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