There is a circular path around a sports field. Sonia takes 18 minutes to drive one round of
the field while Ravi takes 12 minutes for the same. Suppose they both start at the same point
and at the same time and go in the same direction, after how many minutes will they meet
again at the starting point? Hence find their H.C.F using formula.
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the time will be lcm
lcm formula:
18 = PRIME FACTORISATION 2*3*3
12 = 2*2*3
lcm =
2*3*3*2*2*3
= 36
Therefore, they will meet after 36 minutes.
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