Question

X, Y and Z start at the same time in the same direction to run around a circular stadium. X completes a round in 12seconds, Y in seconds 154and Z in 231seconds, all starting at the same point. After what time will they meet again at the starting point?

Answer 1

Answer:

after 927 seconds or 15.4 mins.

in such questions we just take the LCM of the values given