Question

Sanjana gies to school atvthe rate of 4 km/hr and reaches 5 min late.If she goes at the speed of 6 km /hr,she reaches 10 min earlier.What is the distance of the school from her home?

Answer 1

Let the distance of the school from her home is x.
Now, As per the question,
x/4 - 5/60 = x/6 + 10/60 ,

Here , i converted 5 and 10 min in to hour dividing by 60.

(15x-5)/60 = (10x+10)/60
15x-5 = 10x +10
5x = 15
x = 3.
So , Distance between home and school is 3 km.

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