Question:
Two trains start at the same time from two stations 180 km apart and move towards each other at 40 km/h and 50 km/h respectively. After how much time will they meet?
Two trains start at the same time from two stations 180 km apart and move towards each other at 40 km/h and 50 km/h respectively. After how much time will they meet?
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For approaching bodies, add the speeds.
Updated On: Jul 8, 2026
- 1.5 hours
- 2 hours
- 2.5 hours
- 3 hours
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The Correct Option is B
Solution and Explanation
Step 1: Find the relative speed.
Moving towards each other, speeds add: \[40 + 50 = 90 \text{ km/h}\] Step 2: Divide the gap by relative speed.
\[\text{Time} = \dfrac{180}{90} = \boxed{2 \text{ hours}}\]
Moving towards each other, speeds add: \[40 + 50 = 90 \text{ km/h}\] Step 2: Divide the gap by relative speed.
\[\text{Time} = \dfrac{180}{90} = \boxed{2 \text{ hours}}\]
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