Symbiosis National Aptitude Test SNAP 2014 Paper

Question : 18 of 150

Marks: +1, -0

The jogging track in a sports complex is 726 metres in circumference. Pradeep and his wife start from the same point and walk in opposite directions at 4.5 km/h and 3.75 km/h, respectively. They will meet for the first time in

5.5 min
6.0 min
5.28 min
4.9 min

Validate

Solution:

Let the husband and the wife meet after x minutes.
4500 metres are covered by Pradeep in 60 minutes.
In x minutes, he will cover

{4500}/{60}

x meters.
Similarily,
In x minutes, his wife will cover

{3750}/{60}

x m.
Now,

{4500}/{60} x + {3750}/{60} x

= 726
⇒ x =

{726×60}/{8250}

= 5.28 min.

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