Question

Anil and Bharat aa cycling around a circular track of length 300 metre away the respective speed of 8 minutes per second and 12 minutes per second after how many seconds do they meet for the first time if they are running in the same direction and opposite direction​

Answer 1

Answer:

length is 300m the speed is 8minutes 300x8=2400m+12=2412m

Answer 2

Answer: 15 seconds

Step-by-step explanation:

The track length is 300meters and they run in opposite directions:-

A small typo in the question that:-

Its 8 meters per second and 12 meters per second.

Calculating the distance travelled by each person that is:-

Distance travelled = (speed of the person)×(time).

For  Anil:- His speed is 8meters/second so assuming time(t seconds) after which they meet.

Distance travelled by Anil is:-8×t meters.

Similarly by Bharat it is:- speed × time.

So distance travelled by Bharat is:-12×t meters.

When they meet for the first time the sum of distances they were cycling will be equal to the length of the track= 300 meters.

Now,

Equating both the sides of the equation:-

Total distance travelled by both Anil and Bharat is:-

Distance=(8×t + 12×t)=20×t,

This distance has to be equal to length of track 300meters.

(20×t) = 300 meters,

implies t = (300/20)=(30/2)=15 seconds.

Answer:-They will meet for the first time after 15 seconds.

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