Question
The ratio of the number of boys to girls in a school is
7:5. If 10 more boys join the school and 10 girls leave, the new ratio of boys to girls becomes 3: 2. How many boys are currently in the school?Solution
Let the number of boys be 7x and girls be 5x. After changes: Boys = 7x + 10 Girls = 5x – 10 Given, -Constable/1726199371-52.JPG)
Cross-multiplying, we get: 2(7x + 10) = 3(5x - 10) 14x + 20 = 15x – 30 X = 50 Currently number of Boys = 7x + 10 = 360
Who was named the ICC Men’s Player of the Month for March 2025?
In which of the following Indian currency notes the Chariot of Hampi (Karnataka) is inscribed?
Which state recently announced pension for transgenders
A treaty signed by which of the following two countries for transfer of each other’s sentenced prisoners has come into effect with the ratification o...
At the Global Private Banking Awards 2021, organized by Professional Wealth Management (PWM) , which bank has been adjudged as Best Private Bank?
सिंधु घाटी सभ्यता के किस क्षेत्र से ' जुते हुए ' खेत के प्र...
Which of the following country does not have Euro as their currency?
What is the theme for World Day for Safety and Health at Work 2025?
Who founded Sulabh International Social Service Organisation in 1970?
In which of the following state Nag River flow?
Relevant for Exams:
