Ratio & Proportion, Alligation or Mixture

A, B and C enter into partnership with investment in the ratio of 5:7:8. If at the end of the year A's share of profit is Tk. 42360, how much is the total profit?

Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A : B.

In a mixture of 45 liters, the ratio of milk and water is 4 : 1. How much water must be added to make the mixture ratio 3 : 2?

If the square of the sum of two numbers is equal to 4 times of their product, Then the ratio of these numbers is: 

If x : y = y : z = 1.5 and z = 2 , What is the value of x?

If a : b = 1 : 3, b : c = 5 : 7, then what is the value of a : b : c?

A jar contains white, red and green marbles in the ratios 2 : 3 : 5. Six more green marbles are added to the jars and then the ratio becomes 2 : 3 : 7. How many white marbles are there in the jar?

The ratio of boys and girls in a class is 4:5. If 10% of the boys and 20%of the girls failed In an examination, what percentage of students passed in the exam?

3/4th of square were taken to form shape A and the rest was made to form shape B. Shape A was divided into four equal squares (Shape C), what will be the ratio of the one shape C to one shape B.

Sumon bought 2 varieties of rice, costing taka 8 per kg and taka 12 per kg each, and mixed them in some ratio, then he sold the mixture at taka 12 Per kg. Making a profit of 20%. what was the ratio of the mixture?

A motorcycle costs Tk. 2,500 when it is brand new. At the end of each year it is worth 4/5 of what it was at the beginning of the year. What is the motorcycle worth when it is 3 years old?

A and B invest in a business in a ratio of 3 : 2. If 5% of the total profit goes to charity. A's share is Tk. 855, the total profit is:

What is the ratio of 8 inches to 6 feet?

A, B and C invested capitals in the ratio of 4 : 6 : 9. At the end of the business term, they received  the profit in the ratio of 2 : 3 : 5. Find the ratio of their time for which they contributed their capitals .

Moyna and Noyna respectively got 20% more and 10% less marks than Jolin in exam. What is the ratio of Noyna and Moyna's exam scores?

In a basket the ratio of banana and apple is 3:2. If 5 bananas are removed from the basket then the ratio becomes 1:1. How many apples were there in the basket?

The circumference of the circle and the perimeter of the square is equal and the ratio between the diameter of the circle and the side of the square is 7 : 11. What is the area of the circle?

By mixing two qualities of pulse in the ratio 2 : 3 and selling the mixture at the rate of Tk. 22 per kilogram, a shopkeeper makes a profit of 10%. If the cost of the smaller quantity be Tk. 14 per kg, the cos in Tk per kg of the larger quantity is :

In a certain town, the ratio of the number of rented residences to the number of owned residences is 7 : 4. Those are the only two kinds of residences in this town. If there are 150 more rented than owned residences in the town?

A national issue was won by a vote of 9 to 6. What part of the total vote was against the issue?