Question 169

Raj and Prem walk in opposite directions at the rate of 3 km and 2 km per hour respectively. How far will they be from each other after 2 hours ?

Solution

Since Raj and Prem walks in opposite directions, their relative speed will be sum of their individual speeds i.e.

Speed, $$s$$ = 3+2 = 5 kmph

Now, distance covered in 2 hours = time * speed

= 5*2 = 10 km

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