MCQOPTIONS
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| 1. |
A train runs from Howrah to Bandel at an average speed 20 km/h and returns at an average speed of 30 km/h. The average speed ( in km/h) of the train in the whole journey is : |
| A. | 20 |
| B. | 22.5 |
| C. | 24 |
| D. | 25 |
| Answer» D. 25 | |