Question 14

Neelam and Manisha starting from the same place run at a rate of 7 kmph and 9 kmph respectively. What time will they take to be 12 km apart, If they walk in the same direction?

Solution

Let they will take t hrs to be 12 km apart

Distance travelled by manish=7t KM

Distance travelled by neelam=9t km

9t-7t=12

2t=12

t=6 hrs

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