MCQOPTIONS
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| 1. |
If the mean deviation of the numbers \[1,\,\,1+d,\] \[1+2d,...1+100d\] from their mean is 255, then d is equal to: |
| A. | 20 |
| B. | 10.1 |
| C. | 20.2 |
| D. | 10 |
| Answer» C. 20.2 | |