Free CBSE - Class 9 Mathematics worksheets

A survey conducted by an organisation for the cause of illness and death among the women between the ages $15 - 44$ (in years) worldwide, found the following figures (in %)

(i) Represent the information given above graphically.

A survey conducted by an organisation for the cause of illness and death among the women between the ages $15 - 44$ (in years) worldwide, found the following figures (in %):

(iii) Try to find out, with the help of your teacher, any two factors which play a major role in the cause in (ii) above being the major cause.

The following data on the number of girls (to the nearest ten) per thousand boys in different sections of Indian society is given below.

(i) Represent the information above by a bar graph.

The following data on the number of girls (to the nearest ten) per thousand boys in different sections of Indian society is given below.

(ii) In the classroom discuss what conclusions can be arrived at from the graph.

Given below are the seats won by different political parties in the polling outcome of a state assembly elections: 

(i) Draw a bar graph to represent the polling results.

Given below are the seats won by different political parties in the polling outcome of a state assembly elections:

(ii) Which political party won the maximum number of seats?

The length of 40 leaves of a plant are measured correct to one millimetre, and the obtained data is represented in the following table:

(i) Draw a histogram to represent the given data. [Hint: First make the class intervals continuous]

The length of 40 leaves of a plant are measured correct to one millimetre, and the obtained data is represented in the following table:

(ii) Is there any other suitable graphical representation for the same data?

The length of 40 leaves of a plant are measured correct to one millimetre, and the obtained data is represented in the following table:

(iii) Is it correct to conclude that the maximum number of leaves are 153 mm long? Why?

100 surnames were randomly picked up from a local telephone directory and a frequency distribution of the number of letters in the English alphabet in the surnames was found as follows:

(ii) Write the class interval in which the maximum number of surnames lie.