.

#4481. Number of students in 4th class and 5th class is in the ratio 6 : 11. 40% in class 4 are girls and 48% in class 5 are girls. What is the percentage of students in both the classes are boys?

]]>#4480. If 50% of Simon's salary is equal to 40% of Roger's salary and their total salary is $36000, find Roger's salary.

]]>#4479. The ratio of the boys and girls in a class is 6 : 5. If 8 more boys join the class and two girls leave the class, the ratio becomes 11 : 7. What is the number of boys in the class now?

]]>#4478. Beena and Meena started a boutique investing an amount of $35000 and $56000 respectively. If Beena's share in the profit earned by them is $45000, what is the total profit earned?

]]>.

#4477. The respective ratio between the present ages of father, mother, and daughter is 7 : 6 : 2. The difference between mother's age and daughter's age is 24 years. What is the father's present age?

]]>#4476. Find the value

if .]]>#4475. The ratio of the ages of Reginald and Stephen is 5 : 8. The ratio of their ages 10 years hence will be 7 : 10. What is the present age of Stephen?

]]>#4474. Present ages of father and son are in the ratio of 6 : 1 respectively. Four years later, the ratio of their ages will become 4 : 1. What is the son's present age?

]]>#4473. The ratio of the ages of A and B seven years ago was 3 : 4 respectively. The ratio of their ages nine years from now will be 7 : 8 respectively. What is B's present age?

]]>Good attempt, Monox D. I-Fly!

#4472. Alvin invests $64,000 in a business. After a few months, Barley joined him with $48,000. At the end of the year, the profit was divided between them in the ratio 2 : 1. After how many months did Barley join?

]]>Neat work, Monox D. I-Fly! The solution #4470 is perfect!

#4471.Area of a rectangular field is 3584 square meters and the length and the breadth are in the ratio 7 : 2 respectively. What is the perimeter of the rectangle?

]]>.

#4470. The ratio of the ages of two boys is 5 : 6. After two years, the ratio will be 7 : 8. Find the ratio of their ages after 12 years.

]]>#4469. The ratio of ducks and frogs in a pond is 37 : 39 respectively. The average number of ducks and frogs in the pond is 152. What is the number of frogs in the pond?

]]>