Question

7.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?​

Answer 1

Answer:

There is a circular path around a sports field. sonia takes 18 mins. to drive one round of the field,while ravi takes 12 mins 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 the meet again at the starting point?

Step-by-step explanation:

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Answer 2

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The time of their meeting is the LCM of 18 and 12 in minutes.

Prime factorisation of 18=2×3×3

Prime factorisation of 12=2×2×3

Hence, LCM of 18,12=2×3×3×2=36

Sonia and Ravi meet after 36 minutes.