Railways
Sample Paper
RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-23
question_answer
Four runners started running simultaneously from a point on a circular track. They took 200 s, 300 s, 360 s and 450 s to complete one round. After how much time do they meet the first time?
A) 1800 s
B) 3600 s
C) 2400 s
D) 4800 s
Correct Answer:
A
Solution :
Required time = LCM of 200 S, 300 s, 360 s and 450 s= 1800 s