Question

how long will it take ravi to go around a rectangular Park of length 45 M and width 21 m at the speed of 6 metre per minute

Answer 1

22 minutes
total length to be covered is 132 m. at the rate 6 m per min. Ravi will take 22 min

Answer 2

perimeter of the park = 2 (l+b)

2 (45+21) =2 (66)=132m
6m per minute

132m=132/6=22