MCQOPTIONS
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| 1. |
Select the option that is related to the third number in the same way as the second number is related to the first number.9 : 21 ∷ 27 : _____ |
| A. | 72 |
| B. | 51 |
| C. | 49 |
| D. | 63 |
| Answer» E. | |