MCQOPTIONS
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| 1. |
Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.452 = 45, 371 = 59, 253 = ? |
| A. | 10 |
| B. | 30 |
| C. | 38 |
| D. | 42 |
| Answer» D. 42 | |