Question
The ratio of the number of girls to the number of boys in a school of 990 students is 2 : 7. If 20 boys left the school, find how many new girls may be admitted so that the ratio of number of girls to the number of boys may change to 3 : 5.
The number of girls in the school = More Ratio and proportion Questions
- Find the fourth proportion of (k + 3), (2k - 6), and (4k - 9). (Note: 'k' is the smallest two-digit prime number.)
- The ratio of the present ages of ‘P’ and ‘Q’ is 3:2, respectively. 6 years ago, the ratio of their ages was 5:3. The sum of the present ages of ‘P’ and ‘Q’...
- A bag contains coins of Rs 1, 50p, and 25p and the ratio of the number of coins is 6:15:16. If the total value of all the coins is Rs 1050 then what will b...
- A sum of money is divided among P, Q, R and S in the ratio of 3:4:8:9 respectively. If the share of R's is Rs. 2900 more than the share of Q, then what is ...
- The ratio of two numbers is 3:5. If each number is decreased by 5, the ratio becomes 5:9. Find the smaller numbers.
- Find the fourth proportion of (2k - 5), (k + 1), and (3k + 4). (Note: 'k' is the smallest two-digit prime number.)
- Consider two positive numbers that have a ratio of 5:7. If the combined total of their squares equals 1184, determine the sum of these two numbers.
- Rs. 10400 was divided among A, B and C in the ratio 2:3:3. B kept Rs. 1200 for himself, gave Rs. 500 to his mother and divided the remaining money among hi...
- If the third proportion of 18 and 36 is “0.5k”, then find the value of (k − 24) : (k + 16).
- Rs 840 is to be divided among A, B and C in the ratio 2 : 3 : 5. Find B’s share.
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)