Four bells ring at intervals of 4, 6, 8 and 14 seconds. They start ringing simultaneously at 12.00 O’clock. At what time will they again ri… — Answer & Discussion

Four bells ring at intervals of 4, 6, 8 and 14 seconds. They start ringing simultaneously at 12.00 O’clock. At what time will they again ring simultaneously

A12 hrs. 2 min. 48 sec.
B12 hrs. 3 min
C12 hrs. 3 min. 20 sec.
D12 hrs. 3 min . 44 sec.

Answer not set

Join the discussion Report an error

Discussion 3

Top voted Oldest Newest

CCommunity20 Jan 2018

it from previous year ssc papers, option 1 is the right answer

CCommunity28 Jul 2018

Lcm(4,6,8,14)=2×lcm(2,3,4,7)=42×4=168

ie., @168 sec.

=168/60=2minitz+48 sec

ie.,12 hr 2min+48 sec

CCommunity24 Sep 2020

four bells ring at intervals of 4 6 8 14

LCM is: 168 = 2 mins and 48 sec.

Hence next time the will rung together is 12:02 and 48 secs