Question

12 Two stations P and Q are 42 km apart. A person starts from P, walks at 4 km/h towards Q and meets another person coming from Q towards P after 6 hours Find the rate at which the second pers is walking, if both the persons start walking at the same time.​

Answer 1

Answer:

3km/hr

Step-by-step explanation:

Total distance between P and Q is 42 km.

From P, a person walks (4*6)=24km/h towards Q in 6 hours.

From Q, another person in same time ( i.e. 6 hours) walks 42km-24km=18km towards P.

In 1 hr the person walks (18/6)km= 3km towards P.

Hence, the rate at which the second person is walking is 3km/hr.

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