X, Y and Z take 18 days to complete a piece of work. If X works alone he finishes the work in 36 days and if Y works alone he finishes it in 60 days. How long will it take Z to complete the work alone?

Medha sells her bag for ₹ 300 and loses ₹ 60. At what price must she sell the article to gain 15%?

Directions: The bar graph shows the results of an annual examination in a secondary school in a certain year. Answer the following four questions based on this chart.

The ratio of the total number of boys passed to the total number of girls passed in the three classes VII, VIII and IX is 

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?

Direction: Study the following information and answer the related questions. P, Q, R, S, T, A, B, C, D and E are employees of a company. A table shows the average age of any two employees of the company. The average age of A and B is 27.5.
i.e. average age of A & P is given as (A+P)/2=39.5

What is the average age of D, R and S?

The ratio of the present ages of A and B is 16:7. After 12 years, A’s age is twice B’s age then find the present ages of A and B.

A secant PAB is drawn from an external point P to the circle with centre O, intersecting it at A and B. If OP = 17 cm, PA = 12 cm and PB = 22.5 cm, then the radius of the circle is:

In the first 10 overs of a cricket game, the run rate was only 7.2. What should be the average run rate in the remaining 40 overs to reach the target of 272 runs?