Question

A farmer takes 20 seconds to move once around a rectangular field of length 18 m and breadth 12 m .The speed of the farmer is *


3 m/s

4 m/s

5 m/s

6 m/s​

Answer 1

Perimeter of feild= 2(18+12)

=2*30

=60m

speed= Distance/time

= 60/20

=3m/s

Hope it is helpful