MCQOPTIONS
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| 1. |
Two places—P and Q are 400 miles apart. A car starts from P at a speed of 50 mph towards Q. After 75 minutes, another car starts from Q to P at a speed of 40 mph. After how many hours will both the cars meet? |
| A. | 5 hours |
| B. | 4 hours 30 minutes |
| C. | 4 hours |
| D. | 2 hours 45 minutes |
| Answer» B. 4 hours 30 minutes | |