SSC CHSL Model Paper 10

Question : 56 of 100

Marks: +1, -0

A boy goes to school from his home at a speed of 4 km/hr and returns at a speed of 6 km/hr. If in total he took 5 hours in going and coming back, the distance between his house and the school is

8 km
10 km
12 km
14 km

Validate

Solution:

Let the distance between the school and home be d.

5=d/4+d/6

⇒5={10d}/24

⇒d=12\km\/\hr

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