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1. |
Of the three numbers, the first is twice the second and the second is twice the third. The average of the reciprocal of the numbers is $$\frac{7}{{72}}$$. The numbers are: |
A. | 6, 18, 9 |
B. | 4, 12, 6 |
C. | 0, 10, 5 |
D. | 6, 8, 4 |
Answer» C. 0, 10, 5 | |