Question Bank

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.

If 10% of x is equal to 20% of y, then x:y is:

The sides of a triangle are in the ratio 2:3:4. If the perimeter is 18 cm, find the longest side.

Two numbers are in the ratio 7:11. If 7 is added to each, the ratio becomes 2:3. Find the numbers.

Find the triplicate ratio of 2:3.

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

The ratio of two numbers is 5:6. If their HCF is 4, find their LCM.

If x:y = 5:2, then find (8x+9y) : (8x+2y).

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

In a bag, there are coins of 25p, 10p and 5p in the ratio 1:2:3. If there is Rs. 30 in all, how many 5p coins are there?

If x:y = 2:3 and y:z = 2:1, find x:z.

Three numbers are in the ratio 1:2:3 and their squares' sum is 126. Find the numbers.

The ratio of the areas of two squares is 16:25. What is the ratio of their perimeters?