Question
Ratio of number of boys to girls in a school is 5:7 respectively. Next year, 50 boys and 70 girls left the school and 250 boys and 280 girls joined the school. If ratio becomes 3:4, then find number of boys now.
More Ratio and proportion Questions
- Two numbers are in the ratio 6:5. After adding 2 and 4 to them respectively the ratio becomes 2:3. Find the bigger number.
- In a company, 60% of the number of girls is equal to two - third of the total number of boys. When 40 new girls joined the company, then 25% of the number ...
- There are some assistants and officers in an office, if 12 assistants leave then there are 2 officers for each assistant. After this again 36 officers go a...
- If the third proportion of 16 and 20 is “0.5k”, then find the value of (k − 20) : (k + 10).
- Two numbers are respectively 30% and 40% more than a third number. Find the ratio of two numbers.
- In a collection of coins consisting of 20-paise, 25-paise, and 50-paise denominations, the coins are present in a ratio of 45:32:14. The combined value of ...
- A plot has to be divided among P, Q and R in the ratio 3:4:7 respectively. If the area of plot received by R is 4800m² more than the area of plot received ...
- A sum of Rs.1000 is divided among P, Q and R such that P gets Rs.150 more than Q. Q gets Rs.110 more than R. How much does R receive?
- A sum of money is divided among P, Q, R and S in the ratio of 1:2:5:6 respectively. If the share of R's is Rs. 2850 more than the share of Q, then what is ...
- The mean proportional of 2 and 32 is _____.
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
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)