MCQOPTIONS
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| 1. |
When 5 children from class A join class B, the number of children in both classes is the same. If 25 children from B, join A, then the number of children in A becomes double the number of children in B. The ratio of the number of children in A to those in B is: |
| A. | 9 : 8 |
| B. | 19 : 18 |
| C. | 19 : 17 |
| D. | 18 : 17 |
| Answer» D. 18 : 17 | |