Question 56

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?

Solution

Let distance between his office and home = $$d$$ km

Using, time = distance/speed

=> $$\frac{d}{35}+\frac{d}{30}=39$$

=> $$\frac{6d+7d}{210}=39$$

=> $$d=210\times3=630$$ km

=> Ans - (C)


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