Question

CASE STUDY
Anu, Rani and Miya are running
around a circular track Anu takes
100 seconds to complete one full
circle, while Rani takes 150 seconds
and Mlya requires 200 seconds to
complete their circles Assume they
started running together from the
same line on the track and they are
running at a uniform speed
How long will Rani and Miya take to
reach the starting point together?​

Answer 1

Answer:

The required time taken is the LCM of 180 and 150

180=2

2

×3

2

×5

1

;150=2×3×5

2

LCM = 2

2

×3

2

×5

2

=900 sec = 15 minutes

They meet again for the first time at 09:15 AM

a=0,b=9,c=1,d=5

a+b+c+d=0+9+1+5=15