MCQOPTIONS
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| 1. |
The average of n observations is 40. If one observation of value 80 is added, then the average of all the observations is 41. What is the value of n? |
| A. | 43 |
| B. | 38 |
| C. | 39 |
| D. | 40 |
| Answer» D. 40 | |