Question Bank

Which ratio is greater: 3:4 or 5:6?

What is the compound ratio of 2:3 and 4:5?

In a class of 40 students, 15 are girls. What is the ratio of boys to girls?

If $x, 4, 9, 12$ are in proportion, find $x$.

What is the ratio of the side of a square to its perimeter?

Sub-triplicate ratio of 8:27 is:

The ratio of two numbers is 3:7. If the larger number is 63, what is the smaller number?

If $A:B = 2:3$ and $B:C = 3:4$, then $A:C$ is:

Ratio of 2.5 to 1.5 is same as:

If a bag contains red and blue marbles in ratio 3:5, and there are 24 red marbles, how many blue marbles are there?

Ratio of 1 dozen to 1 score is:

The ratio of the area of a circle to its radius squared is always:

Simplify $1/2 : 1/3$.

If $x:y = 1:2$, find the value of $(2x+y)/(x+2y)$.

A mixture contains milk and water in the ratio 4:1. If there is 20L of milk, find the quantity of water.

The ratio of $2^3$ to $2^2$ is:

What number must be added to each term of 2:5 to make it 1:2?

If $a:b = 2:3$ and $b:c = 4:5$, then $a:b:c$ is:

Divide Rs 1200 among A, B, and C in the ratio 2:3:5. What is B's share?

The ratio of ages of Ram and Shyam is 4:5. If the sum of their ages is 81 years, what will be the ratio of their ages after 9 years?