A man travelled from the village to the post-office at the rate of 20 km/h And walked back at the rate of 2km/h. if the whole journey took 5 hours 24 min Find the distance of the post-office from the village.

Options
- 8km
- 9km
- 20km
- 11km

CORRECT ANSWER : 8km

Discussion Board
solution

t=t1+t2
5+24/60 =d/20+d/2
27/5=d(22/40)
d=27/5*40/22
d=9.8

Deji verma 01-28-2020 10:07 AM

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