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
- There are 850 students in four houses of a school i.e. (red, white, yellow and blue) . Ratio of number of students in red house to that in blue house is 2:...
- 960 pens were distributed among 'A', 'B' and 'C' in the ratio of 7:5:4, respectively. If the ratio of the number of pens with 'D' and 'E' is 7:6, respectiv...
- Total population of city P and Q is 4030 and 6300 respectively. If the ratio of number of males to females in city is P and Q is 9:4 and 4:3 respectively, ...
- 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 ...
- An amount is distributed among A, B, C, and D in the ratio 7:5:9:4 respectively. If the amount received by B is Rs. 1,250, then find the amount received by...
- P, Q and R together started a business. Seven times the investment of P equals eight times the investment of Q and the capital of Q is twice that of R. Fin...
- A sum is distributed among A, B and C is the ratio 8: 4: 3 and A divides its part between D and E in the ratio 9: 7, then what is the ratio of part of C to...
- Ratio of male to female population of a town in 2010 was 13:12 and total population in 2010 was 25000. If the male population is ___ and female population ...
- In a library, the ratio of the number of Hindi books to English books is 15:19. If the product of the number of books in these two languages is 114000, the...
- If the mean proportion between 98 and 8 is denoted by 'k', then determine the ratio of (k + 4) to (k - 8).
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)