Question

a circular field has a circumference of 360km. Two cyclist sumeet and john start together and can cycle at the speed of 12km/h and 15km/h respectively, round the field. Find when they will meet again at the starting point.

Answer 1

I don't no about this question

Answer 2

for summeet
s=12
d=360
t = 30hr

for john
=15
d=360
t=24 hours


there for they will meet in 30+24/2
ie
54/2
= after 27 hours