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The ratio of the number of boys and that of girls in a school having 504 students is 13 :11. What will be the new ratio if 3 more girls are admitted?
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- 7 : 6
- 6 : 7
- 10 :11
- 13 :14
Correct Option: A
Number of boys
| = | × 504 | |
| 13 + 11 |
| = | × 504 = 273 | |
| 24 |
Number of girls
= 504–273 = 231
3 girls are admitted.
∴ Required ratio = 273 : 234
= 7 : 6
