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If I walk at 5 km/hour, I miss a train by 7 minutes. If, however, I walk at 6 km/hour, I reach the station 5 minutes before the departure of the train. The distance (in km) between my house and the station is
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- 6
- 5
- 4
- 3
Correct Option: A
Let the required distance be x km, then
| − | = | = | ||||
| 5 | 6 | 60 | 5 |
| ⇒ | = | ⇒ | = | ||||
| 30 | 5 | 30 | 5 |
⇒ x = 6 km.
