Question
Ratio of number of boys to girls in a school is 4:7 respectively. Next year, 40 boys and 70 girls left the school and 120 boys and 140 girls joined the school. If ratio becomes 3:5, then find number of boys now.
More Ratio and proportion Questions
- The ratio of zinc and copper in a brass pieces is 3:4. How much zinc will be there in 140 kg of such a piece?
- Three numbers ‘P’, ‘Q’ and ‘R’ are such that ‘P’ is 25% more than ‘Q’ and ‘R’ is equal to the average of ‘P’ and ‘Q’. If the sum of these three numbers is ...
- A sum of money is divided among A, B, C and D in the ratio 1:3:5:2. If C receives Rs. 6000 more than D, find the difference between the shares of A and B.
- The ratio of heartbreak to emotions is 2:3:4:5 The price of heart is inversely proportional to the square of emotions. If there is a loss of Rs 1420 due to...
- Ritika and Gargi have money in the ratio 4:11 and Gargi and Kiran also have money in the same ratio 4:11. If Ritika has Rs. 400, how much Kiran has?
- Monthly savings of ‘Q’ is 20% more than that of ‘P’ and is 54% less than monthly income of ‘P’. Monthly expenditure of ‘Q’ is Rs. 5730 and ratio of monthly...
- In a company with 600 employees, the average age of male employees is 42 years and that of female employees is 41 years. If the average age of all the empl...
- The ratio of two numbers ‘A’ and ‘B’ is 3:5, respectively. If 10 is added to each of ‘A’ and ‘B’, then the ratio of ‘A’ and ‘B’ becomes 5:7. The sum of ‘A’...
- Marks scored by A and B in a test are in the ratio 13:9 respectively. If B had scored 8 more marks, then marks scored by A would be 30% more than that of B...
- The ratio of the times taken by Aman, Bharat, and Charan to complete a task is 3:5:7 respectively. Dev takes 4 minutes more than Aman. If the difference in...
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
