Question

Ankita, Khushbu & Tejaswini starts to run round on the circumference of a circular ground of circumference 97 meters from one point. Ankita in the direction opposite to that of Khushbu & Tejaswini . Thier respective speed per minutes is 30 meters, 26 meters & 18 meters respectively. When will all the three be together for the First time?​

Answer 1

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They meet after 360 seconds.

Step-by-step explanation:

We first need to get the time taken by each Cyclist to go round the circular track.

Given distance and speed the time is given by:

Time = Distance / Speed

Time taken by Am will be:

Time = 1080/6 = 180 seconds

Time taken by Shah will be given by:

Time = 1080/9 = 120 seconds

These are the times they take to complete one revolution.

To get the time they meet again we will get the LCM of 180 and 120.

The LCM of 120 and 180 is 360

Therefore the two meet after 360 seconds.