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?
-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 More Quant Miscellaneous Questions
- A boat takes 15 hours to travel 360 km downstream. If it takes 18 hours to travel 288 km upstream, Determine the speed of the stream?
- Calculate the total percentage increase in employees from 2019 to 2023 for the entire company.
- At 9:30 a.m., the length of a pole’s shadow is equal to its height. What is the sun’s altitude at this time?
- What is the principal sum if the difference between simple interest (SI) and compound interest (CI), compounded annually, on a certain amount over 2 years ...
- Determine how many composite numbers exist between 61 and 99?
- What is the third proportional to the numbers 12 and 36?
- A cyclist rides at a constant speed of 12 miles per hour for the first half of a journey. For the second half, the cyclist increases the speed to 18 miles ...
- The following table shows the number of students enrolled in different courses at a university: What is the percentage of students enrolled in Mathematic...
- What is the name of the technology that provides a secure and encrypted connection over an untrusted network?
- The 5th term of a GP is 48 and the 8th term is 384. Find the first term.
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)