Question

Hence, it is a composite number.
Q. 7. There is a circular path around a sports field. Sonia takes
around a sports field. Sonia takes 18 minutes to drive one round of the
field, while Ravi takes 12 minutes for the same. Suppose the
s 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
ime direction. After how many minutes will they meet again at
the starting point ?​

Answer 1

We need to take out the LCM.....

18 minutes - 2×3^2

12 minutes - 2^2×3

Hence, 3×3×2×2=36 MINI