Read the following bar graph and answer the following questions.

(i) What is the information given by the bar graph?
(ii) In which year is the increase in the number of students maximum?
(iii) In which year is the number of students maximum?
(iv) State whether true of false:
'The number of students during 2005 - 06 is twice that of 2003 - 04.'

If we change the position of any of the bars of a bar graph, would it change the information being conveyed? Why?

Construct a frequency distribution table for the data on weights (in kg) of 20 students of a class using intervals 30-35, 35-40 and so on. 40,38,33,48,60,53,31,46,34,36,49,41, 55, 49, 65, 42, 44, 47, 38, 39.

For which of these would you use a histogram to show the data?
(a) The number of letters for different areas in a postman's bag.
(b) The height of competitors in an athletics meet.
(c) The number of cassettes produced by 5 companies.
(d) The number of passengers boarding trains from 7: 00 am to 7: 00 pm at a station.
Give reasons for each.

Answer the following questions based on the pie chart in following figure.
(i) Which type of programmes are viewed the most?
(ii) Which two types of programmes have number of viewers equal to those watching sports channels?

Viewers watching different types of channels on TV.

Draw a pie chart of the data given below:
The time spent by a child during a day.

The below histogram shows the number of literate females in the age group of 10 to 40 years in a town:

What is the classes width?

In throwing a die:
Would the player who played after him have a lesser chance of getting a six?

In throwing a die:
Suppose the second player got a six. Does it mean that the third player would not have a chance of getting a six?

The following pie chart gives the marks scored in an examination by a student in Hindi, English, Mathematics, Social Science and Science. If the total marks obtained by the students were 540, answer the following questions:

(i) In which subject did the student score 105 marks?
(ii] How many more marks were obtained by the student in Mathematics than in Hindi?
(iii) Examine whether the sum of the marks obtained in Social Science and Mathematics is more than that in Science and Hindi.

Show that the annual agricultural field of a certain place.

Find the ratio of field of rice and wheat with sugarcane and others.

Study the following frequency table and answer the questions given below.
(i) What is the class interval?
(ii) Which class has the lowest frequency?
(iii) Which class has the highest frequency?
(iv) Which two classes have the same frequency?

(v) What is the lower limit of the class interval 300-325?
(vi) What is the upper limit of the class interval 275-300?

Observe the following histogram and answer the questions given below:

(i) What information is being given by the histogram?
(ii) Which group contains the maximum students?
(iii) How many students have a height of 160 em and more?
(iv) What is the ratio of the number of students in 130-140 em group and the number of students in 160-170 em groups?

Numbers I to 10 are written on ten separate cards such that one number on one slip. These are mixed well and one slip is chosen from the box without looking into it. What is the probability of
(i) getting a card on which 7 is written?
(ii) getting a card having two-digit number on it?
(iii) getting a number less than 5?
(iv) getting a number more than 5?

When a die is thrown, list the outcomes of an event of getting:
(i) A number less than 5
(ii) A composite number
(iii) A prime number
(iv) A number more than 3