Two rabbits start running towards each other one from A to B and another from B to A They cross each...........

Quantitative Aptitude ( CCS) Time & distance

Two rabbits start running towards each other, one from A to B and another from B to A. They cross each other after one hour and the first rabbit reaches B, 5/6 hour before the second rabbit reaches A. If the distance between A and B is 50 km. what is the speed of the slower rabbit?

20 kmph

10 kmph

15 kmph

25 kmph

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Explanation:

Let second rabbit takes x hr with speed s₂
First rabbit takes x-5/6 hr with speed s₂
Total distance = 50km
S₁ = 50/(x-(5/6))
S₂= 50/x
As they cross each other in 1hr…
Total speed = s₁ + s₂
Now, T = D / S
50/(s₁+s₂) = 1
x = 5/2, 1/3
Put x= 5/2 in s₂ –> 20km/hr