Sita and Gita start walking from the same point on the road but in opposite direction .If sita walks at the speed pf 5km/h and Gita at a speed of 4 km/h in how much time will they be 27 km apart.
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Let they are apart from 27 km at t hours
distance travelled by gita on t hours =5km/h × t.
distance travelled by gita in t hours = 4km/h × t
we have total distance = 27 km
hence we have 5t + 4t = 27
t = 3 hours
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