The ratio of the number of boys and girls in a school of 720 students is 7 : 5. How many more girls should be admitted to make the ratio 1 : 1? `90` b. `120` c. `220` d. `240`

The ratio of the numbers of boys and girls of a school with 504 students is 13:11. What will be the new ratio if 12 more girls are admitted?

The ratio of the number of boys to the number of girls in a school of 640 students is 5:3. If 30 more girls are admitted in the school, then how many more boys should be admitted so that the ratio of boys to that of girls, becomes 14:9?

The ratio of the number of boys to the number of girls in a school of 640 students is 5:3. If 30 more girls are admitted in the school, then how many more boys should be admitted so that the ratio of boys to that of the girls, becomes 14:9 640 छात्रों वाले एक विद्यालय में लड़कों की संख्या तथा लड़कियों की संख्या में 5 : 3 का अनुपात है | यदि इस विद्यालय में 30 और लड़कियों का नामांकन हो जाता है, तो कितने अतिरिक्त लड़कों का नामांकन होना चाहिए ताकि लड़कों और लड़कियों की संख्या का अनुपात 14 : 9 हो जाए |

In a school of 3520 students, 1928 are boys. How many students in the school are girls?

The ratio of the number of boys to that of girls in a school is 9:11. If the number of girls in the school is 2035,find: number of boys in school

The ratio of the number of boys to that of girls in a school is 9:11. If the number of girls in the school is 2035,find: number of students in school