Home > Practice > Arithmetic Aptitude > Time and Distance > Miscellaneous
1. A, B and C start together from the same place to walk round a circular path of length 12km. A walks at the rate of 4 km/h, B 3 km/h and C km/h. They will meet together at the starting place at the end of:
A → = 3 hours
B → = 4 hours
C → 12 × = 8 hours
Required time,
= LCM of 3, 4, 8.
= 24 hours.
Solution:
Time taken to complete the revolution:A → = 3 hours
B → = 4 hours
C → 12 × = 8 hours
Required time,
= LCM of 3, 4, 8.
= 24 hours.