Time & distance

Quantitative Aptitude ( CCS)

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If a student walks from his house to school at 6 km/h, he is late by 30 min. However, if he walks at 8 km/h, he is late by 5 min only. The distance of his school from his house is

20km

8km

15km

10km

Explanation:

Solution:
Let the distance be x.
x/6 – x/8 =(30-5)/60
(8x-6x)/48 =25/60
2x=20
x=10km.

By: Pranav Gupta

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