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| Q.23 | Two trains each 200m long are moving in opposite directions. They cross each other in 10 seconds. If the speed of one train is 90km/h, find the speed of the other train. | |
| Ans | 1. 45 km/h | |
| 2. 36 km/h | ||
| 3. 90 km/h | ||
| 4. 54 km/h |
Correct Ans: 4
