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 32 km/h. They will meet together at the starting place at the end of:

Solution:
Time taken to complete the revolution:
A → 124 = 3 hours
B → 123 = 4 hours
C → 12 × 23 = 8 hours
Required time,
= LCM of 3, 4, 8.
= 24 hours.

You must login to add comments. Login now.