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| 1. |
The average weight of 61 sticks in a box is 6.1 kg. On keeping a new stick in the box, the average weight of sticks in the box increased to 6.2 kg. Find the weight of the new stick put in the box. (In kg) |
| A. | 12.3 |
| B. | 12.9 |
| C. | 12.5 |
| D. | 12.7 |
| Answer» B. 12.9 | |