MCQOPTIONS
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| 1. |
The average of the results of 35 tests is 21. The average of the first 17 results is 19 and the average of the last 17 is 22. What is the value of the result of the 18th test?A. 42B. 36C. 38D. 34 |
| A. | C |
| B. | B |
| C. | D |
| D. | A |
| Answer» B. B | |