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Two persons A and B starts running towards each other on a circular track from diametrically opposite points. They first meet after A has run for 50 m and then they meet after B has run 75 m after their first meeting. Assuming that both of them are running at a constant speed, find the length of the track.
1. 175 m
2. 180 m
3. 150 m
4. 125 m

1 Answer

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Best answer
Correct Answer - Option 1 : 175 m

Given 

After their first meeting, A has runs = 50 m 

B has runs = 75 m 

Formula Used 

Distance = Speed × Time 

Calculation 

First time, they run for half of the circumference of circular track 

2nd time meet, they cover full circumference of circular track 

First time, A runs = 50 m 

In second time A runs = 2 × 50 = 100 m 

When they cover full circumference A runs 100 m and B runs = 75 m 

So, total circumference of circular track = 100 + 75 = 175 m 

∴ The required answer is 175 m 

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