Anil goes to his office at the speed of 35 km/hr and returns to his home at the speed of 30 km/hr. If he takes total 39 hours, then what is the distance between his office and home?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 630 km.
| Understanding/Application |
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Let the distance of office be x. Speed = Distance/Time |
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While going his speed = 35 km/hr While returning his speed = 30 km/hr (x/35) + (x/30) = 39 13x/210 = 39 x = 630 |