SSC CGL 26 Oct 2014 Shift 2 Paper

Question : 109 of 200

Marks: +1, -0

A and B are 20 km apart. A can walk at an average speed of 4 km/hour and B at 6 km/ hr. If they start walking towards each other at 7 a.m., when they will meet ?

8.00 a.m.
8.30 a.m.
9.00 a.m.
10.00 a.m.

Validate

Solution:

If A and B meet after t hours, then
4 t + 6 t = 20
⇒ 10 t = 20
⇒ t =

{20}/{10}

= 2 hours.
Hence, both will meet at 9 a.m.

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