Question
In a class, the ratio of number of boys to number of girls is 12:11. If 3 boys joined the class and 1 girl left the class, then the ratio becomes 7:6. Find the actual number of girls in the class.
More Ratio and proportion Questions
- Find the fourth proportion of (2k + 1), (4k + 2) and (6k + 3). (Note: 'k' is the smallest two-digit prime number.)
- ‘P’, ‘Q’ and ‘R’ divide a certain sum of money among themselves. The average of the amount with them is Rs. 3800. Share of ‘P’ is 20% more than share of ‘Q...
- Three numbers ‘A’, ‘B’ and ‘C’ are such that ‘A’ is two-third of ‘B’ and ‘C’ is equal to the average of ‘A’ and ‘B’. If the sum of these three numbers is 4...
- Two numbers are respectively 50% and 30% more than a third number. Find the ratio of two numbers.
- Bus fares of Anup, Dinesh and Manish are in the ratio 4:2:3 as per their ages. They gave a total of Rs.720 to the conductor, out of which Anup gave Rs.300,...
- A starts a business with Rs. 75,000 and B joins the business 5 months later with an investment of Rs. 80,000. After 1 year, they earn a profit of Rs. 4,08,...
- If A : B = 5:3 and A is 14 more than B then find the sum of A and B.
- The ratio of two numbers is 5:11. If each number is decreased by 2, the ratio becomes 4:9. Find the smaller numbers.
- Four numbers ‘W’, ‘X’, ‘Y’ and ‘Z’ are such that ‘W’ is double of ‘X’, ‘Y’ is half of ‘X’, and ‘Z’ is the average of ‘W’ and ‘Y’. If the sum of these four ...
- What is the ratio whose terms differ by 45 and the measure of which is 4/9?
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
