Question

IfA, B and Crun at 12 km/hr, 8 km/hr and 16 km/hr respectively on a circular track of 24 km long when will they
meet for the first time any where on the track if they are running in the same direction.
(a)3 hr
(6) 4 hr
(c) 5 hr
(d) 6hr
(e) None of these​

Answer 1

Step-by-step explanation:

all of them will meet after 6 hours this is the right answer ......

Answer 2

Answer:

speed

A=12

b=8

C=16

distance = 24km

tnen individual time are

a=2 hr

b=3 hr

c=3/2 hr

now take the LCM of times

LCM (2,3,3/2) =6hr