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Of three numbers, the first is twice the second and the second is twice the third. The average of reciprocal of the numbers is 7/72. The numbers are : | |
A. | 16,8,4 [Wrong Answer] |
B. | 20,10,5 [Wrong Answer] |
C. | 24,12,6 [Correct Answer] |
D. | 36,18,9 [Wrong Answer] |