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1. |
The average age of boys in the class is twice the number of girls in the class. The ratio of boys and girls in the class of 50 is 4 : 1. The total of the ages (in years) of the boys in the class is |
A. | 2000 |
B. | 2500 |
C. | 800 |
D. | 400 |
Answer» D. 400 | |