Mathematics Questions

If $x:y = 2:1$, then $(x^2-y^2) : (x^2+y^2)$ is:

The ratio of 4kg to 2500g is:

In a mixture of 45L, the ratio of milk and water is 4:1. If 5L of water is added, the new ratio is:

If $x/y = 3/4$, then $(7x+3y) : (7x-3y)$ is:

If 5:a :: 20:28, then 'a' is:

The ratio of two numbers is 2:3. If their product is 96, the numbers are:

What is the simplest form of the ratio 45:75?

Convert the ratio 2:5 into a percentage.

What is the ratio of 500 grams to 2 kilograms?

If the ratio of two numbers is 3:4 and their sum is 140, find the smaller number.

What is the duplicate ratio of 3:5?

The ratio of boys to girls in a class of 40 students is 3:2. How many girls are there?

Which ratio is equivalent to 1/2 : 1/3?

Find the ratio of 40 minutes to 2 hours.

If A:B = 2:3 and B:C = 4:5, what is A:B:C?

The inverse ratio of 4:9 is:

If x:y = 3:4, find the value of (2x+3y) : (3x+4y).

The ratio of the ages of Ram and Shyam is 4:5. If the sum of their ages is 81 years, find Shyam's age.

Divide Rs 1200 between A and B in the ratio 7:5. How much does A get?

Find the sub-duplicate ratio of 64:81.