Four people are running around a circular ground from a point on the circumference at 9.00 am. For one round, these four persons take respectively 40, 50, 60 and 30 minutes. At what time will they meet together again ?
A. 4.30 pm
B. 7.00 pm
C. 6.00 pm
D. 5.30 pm
Answer: Option B
Solution(By Examveda Team)
L.C.M. of 40, 50, 60 and 30= 600 minutes
= 10 hours
So, they meet again 10 hours after they start
i.e., 7.00 pm
Related Questions on Speed Time and Distance
A. 48 min.
B. 60 min.
C. 42 min.
D. 62 min.
E. 66 min.
A. 262.4 km
B. 260 km
C. 283.33 km
D. 275 km
E. None of these
A. 4 hours
B. 4 hours 30 min.
C. 4 hours 45 min.
D. 5 hours
Join The Discussion