Question

a man cover a certain distance in 5/2 hour at a speed of 54kmph .how much time will prabhu take to cover the same distance at aspeed of 72kmph

Answer 1

Answer:

s=d/t

d=st

d=54*5/2

d=135km

if it takes 5/2 hours at 54km/h

for 72km/h

s=d/t

72=135*t

t=135/72

t=1.875 hrs