Question

Two persons start from the same place walking at the speed of 4 Km/h and 5 Km/h

respectively in the opposite direction. They will be 36 Km apart at the time of​

Answer 1

Answer:

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Answer 2

Given: Given that two persons start from the same place walking at the speed of 4 Km/h and 5 Km/h respectively in the opposite direction.

To find: We have to find the time when the distance between them is 36km.

Solution:

We know that distance is equal to multiple of speed to time.

Here two persons are walking in opposite direction so overall speed will be equal to 4+5=9 km/hr.

The distance is 36km.

So, time will be a ratio of Distance to speed.

$\frac{36}{9} = 4$

They will be 36 km apart at the time of 4 hours.