Arithmetic

If the ratios a:b = 2:3, b:c = 4:5 and c:d = 6:7, find a:d.

Find the value of x if 4, x, and 9 are in continued proportion.

A sum of Rs 1300 is divided among A, B, C and D such that A/B = B/C = C/D = 2/3. What is A's share?

If x:y = 5:8 and y:z = 4:7, then find x:y:z.

If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?

The ratio of two numbers is 10:7 and their difference is 105. The sum of these numbers is:

The total number of students in a school is 2140. If the number of girls in the school is 1200, then what is the ratio of total number of boys to the total number of girls?

If x : 12 :: 3 : 4, then x is:

The ratio of the side of a square to its diagonal is:

If a:b = 5:9 and b:c = 4:7, find a:c.

Find the fourth proportional to 4, 9, 12.

The ratio of the volumes of two cubes is 1:27. What is the ratio of their edges?

If x^2 + 4y^2 = 4xy, find the ratio x:y.

The ratio of the number of men and women in a committee is 5:6. If 2 men leave and 3 women join, the ratio becomes 4:5. How many women were there initially?

A ratio is a comparison of two quantities of:

If x is 20% more than y, what is the ratio x:y?

In a map, 2 cm represents 1000 km. What is the actual distance if the map distance is 5 cm?

If (a+b) : (a-b) = 15 : 1, find the value of (a^2 + b^2) : (a^2 - b^2).

What is the ratio of 1.5 m to 10 cm?

The ratio of two numbers is 3:8 and their difference is 115. The smaller number is: