Two persons A and B start from the same point to travel from Chandigarh to Ambala. The distance between Chandigarh and Ambala is \(60 \text{ km}\). Speed of A is \(4 \text{ km/hr}\) slower than B.…
Question and options
Two persons A and B start from the same point to travel from Chandigarh to Ambala. The distance between Chandigarh and Ambala is . Speed of A is slower than B. B, when reaches Ambala, starts back via the same route without taking any rest and meets A who was still away from Ambala. Find the speed of A.
- 4 km/hr
- 8 km/hr
- 12 km/hr
- 14 km/hr
Answer and explanation
Correct answer: B - 8 km/hr
When they meet, A has covered 48 km and B has covered 60 + 12 = 72 km in the same time, so speeds are in the ratio 2:3. B - A = 4 gives A = 8 km/h.
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