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| Q.20 | Two trains are running towards each other on parallel tracks with the same speed. The length of each train is 110 metre. If they cross each other in 11 sec, then the speed of each train is: | |
| Ans | 1. 10 m/sec | |
| 2. 15 m/sec | ||
| 3. 20 m/sec | ||
| 4. 30 m/sec |
Correct Ans Provided: 1
