The following chart depicts the percentage of Educated  and Uneducated men and women in a city with a population of 2,50,000.

How many of these women are Uneducated?

If a=2b/3, b=2c/3, and c=2d/3, then find the ratio of b and d:

The LCM of two numbers is 864 and their HCF is 144. If one of the numbers is 288, the other number is:

A glass jar contains 6 white, 8 black, 4 red and 3 blue marbles. If a single marble is chosen at random from the jar, what is the probability that it is black or blue?

What number must be subtracted from each of the numbers 55, 23, 43 and 19, so that the new values are in proportion? 

The diameter of a roller is 84 cm and its length is 120 cm. It makes 500 complete revolutions to move once over to level a playground. Find the area of the playground.

A furniture salesman increased the value of furniture by 20 percent due to the lure of more income, which led to a decrease of 30 percent in his sales, then tell him what percentage was reduced in his income?

The length of a rectangle is increased by 60% then by how much % should the breadth be reduced so that its area does not change?