MCQOPTIONS
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| 1. |
There are 2 trucks facing each other at a distance of 500 cm from each other. Each truck moves forward by 100 cm at a speed of 50 cm/s and then moves backwards by 50 cm at a speed of 25 cm/s. How long will they take to collide? |
| A. | 12 sec |
| B. | 16 sec |
| C. | 13 sec |
| D. | 14 sec |
| Answer» E. | |