Question

A rectangle garden is 18 hectometre long and 6 decametre broad. How long will a man take to go round it once, if he walks 4 decametre in 1 minute

Answer 1

length =18hectomer=180decameter
breadth=6 decameter
perimeter=2 (180+6)
perimeter=2×186
perimeter =372decameter
man covers 4 decameter in 1 sec.
he will cover 372 decameter in 372/4sec
=93 sec

Answer 2

Answer:

93 minutes is the right answer