In a school the number of students participating in different games is given below. Represent the staristical data by a bar chart.

The number of students in university during 1995-98 is given below: Represent the information cotained in the above table by component bar chart.

One of the types of ecological pyramids is given below. This type represents

Count the number of squares of different colours and answer the questions given below. What is the ratio of red and green squares.

Count the number of squares of different colours and answer the questions given below. Ratio of brown and yellow squares.

Count the number of squares of different colours and answer the questions given below. What is the ratio of brown and violet squares.

The arithmetic mean of the marks obtained in 8 different subjects in a school are given below. Find the average of the sum of the marks of 8 subjects.

The marks obtained by 30 students in a examination of a class are given below . Find their average.

The donations given to an orphanage home by the students of different classes of a secondary school are given below. Find the mean, median and mode of the data.

In a class tournament, all participants were to plan different game with one another. Two players fell ill after having played three games each. If the total number of games played in the tournament is equal to 84, the total number of participants in the beginning was equal to a. 10 b. 15 c. 12 d. 14

Count the number of squares of different colours and answer the questions given below. Which four of the coloured squares are in proportion.