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`        Two two cars are at a distance of 100 km from each other .Consider the first car to be ,A and the second as B.Now these cars are travelling at different speeds.If these cars travel in the same direction , these meet in 5 hour and if these travel in directions opposite to each other's, they meet in 1 hour .Find the speed of the two cars in km/ h.`
3 years ago

Nishant Vora
IIT Patna
2467 Points
```							relative speed = relative distance / time takenLet A’s speed be x and B’s speed be yso, for same direction, rel. speed is x-yfor opp dirn, rel. speed is x+yhence, x – y = 100 / 5 ----------(1)and x + y = 100 / 1 …..........(2)Solve eqn 1 and 2 now,hence x = 60 and y = 40
```
3 years ago
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### Course Features

• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions