NCERT Grade 10 || CBSE Class 10 - Real Numbers || Exercise No.1.2 Question No.7 - in Tamil

NCERT Grade 10 || CBSE Class 10 - Real Numbers || Exercise No.1.2 Question No.7 - in Tamil Q7. 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?