DSSSB · Mathematics
The ratio of the present ages of two boys is 4 : 9. After three years, the ratio will be 7 : 12. The ratio of their ages after 11 years will be ________.
- 4 : 7
- 3 : 4
- 6 : 7
- 5 : 6
The ratio of the present ages of two boys is 4 : 9. After three years, the ratio will be 7 : 12. The ratio of their ages after 11 years will be ________.
- 4 : 7
- 3 : 4
- 6 : 7
- 5 : 6
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