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(c) Which activity is preferred by the least number of students?
(d) How many students do not like to play any games?

3. The bar graph given below represents the approximate lengths (in kilometres) of some National
Highways in India. Study the bar graph and answer the following questions:

(a) Which of the given National Highways is the longest?

(b) Which of the given National Highways is the shortest?
(c) What is the length of National Highway 9?

(d) The length of which National Highway is about three times that of National Highway 10?

4. The lengths (in km) (rounded to the nearest hundred) of some major rivers of India are given below:

River Narmada Mahanadi Brahmaputra Ganga Kaveri Krishna

Length (in km) 1300 900 2900 2500 800 1300

Draw a bar graph to represent the above information.
5. In a botanical garden, the number of different types of plants are found as follows:

Types of plants Herb Shrub Creeper Climber Tree

Number of
Plants 50 60 20 45 95

Draw a bar graph to represent the above information and answer the following questions:
(a) Which type of plant is maximum in number in the garden?

(b) Which type of plant is minimum in number in the garden?

6. A mathematics teacher draws a double bar graph as shown in the following figure. She implements
an innovative method for the weakest students selected, and after some time she takes two tests: a
quarterly test and a half yearly test to know whether the new technique of teaching has worked well
or not.

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