Question

speed of a man is 45 km/m . in how muchtime ( in seconds) will he cover a distance of 225 meters ?
A. 24
B. 16
C. 18
D. 22​

Answer 1

s = d/t => 45 = 225 /t => t = 225/45 => t = 5

•°• t = 5 mins = (5*60) sec = 300 sec

Answer 2

Answer:

SPEED= 45 KM/MIN= 45 ×100/60=750 M/ MIN

DISTANCE=225 METERES.

TIME=D/S=225/750=0.3 ×60=18 SECONDS