L&T
Company
Numerical Ability
LCM and HCF
Three friends A, B and C start running around a circular stadium and complete a single round in 8, 18 and 15 seconds respectively. After how many minutes will they meet again at the starting point for the first time?
(1) 12
(2) 6
(3) 8
(4) 15
(5) 18
Read Solution (Total 3)
-
- 8,18,15 lcm =360
for 1 min=360/60=6 - 7 years agoHelpfull: Yes(12) No(0)
- LCM OF 8,18,15 IS 1080
1080 IN SECS ,SO 1080/60 =18 - 5 years agoHelpfull: Yes(0) No(10)
- lcm of 8 18 15 is 360
60 sec=1min
360sec=6 min
ans=6 min - 3 years agoHelpfull: Yes(0) No(0)
L&T Other Question