-
A man walking at the rate of 5 km/hr. crosses a bridge in 15 minutes. The length of the bridge (in metres) is :
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- 600
- 750
- 1000
- 1250
Correct Option: D
Speed of the man = 5km/hr
| = 5 × | m / min = | m / min | ||
| 60 | 3 |
Time taken to cross the bridge
= 15 minutes
Length of the bridge
= speed × time
| = | × 15m = 1250m | |
| 3 |
