SSC CGL Tier II 12 Jan 2017 Paper 1

Question : 8 of 100

Marks: +1, -0

A square playground measures 1127.6164 sq.m. If a man walks

2 9 /20

m a minute, the time taken by him to walk one round around it is approximately.

Solution:

Side of square field

=√{1127.6164}=33.58

metre

∴ Perimeter of square field = (4 × 33.58) metre = 134.32 metre
∴ Required time

= ( {134.32}/{ {49}/{20}} )

minutes

= ( {134.32 × 20}/{49} )

minutes

=54.82

minutes

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