Page 193 - Start Up Mathematics_6

2. Using tally marks, which one of the following represents the number eight?

(a) (b) (c) (d)

3. In a bar graph, each bar (rectangle) represents only one value of the numerical data.
(True/False)
4. To represent the population of different towns using a bar graph, it is convenient to take one
unit length to represent one person. (True/False)

5. In a bar graph, bars of __________ width can be drawn horizontally or vertically with
________ spacing between them.

6. On the scale of 1 unit length = 10 crore, the bar of length 6 units will represent __________
crores and of __________ units will represent 75 crores.
7. The lengths (to the nearest centimetre) of 30 carrots are given as follows:

15, 22, 21, 20, 22, 15, 15, 20, 20, 15, 20, 18, 20, 22, 21, 20, 21, 18, 21, 18, 20, 18, 21, 18,
22, 20, 15, 21, 18, 20

Arrange the data given above in a table using tally marks and answer the following questions.

(a) What is the number of carrots which have length more than 20 cm?

(b) Which length of the carrots occur maximum number of times and minimum number of
times?

8. Students of Class VI in a school were given a task to count the number of articles made of
different materials in the school. The information collected by them is represented as follows:

Material used Articles = 20 articles

Wood

Glass

Metal

Rubber

Plastic

Observe the pictograph and answer the following questions:

(a) Which material is used in maximum number of articles?

(b) Which material is used in minimum number of articles?

(c) Which material is used in exactly half the number of articles as those made up of metal?

(d) What is the total number of articles counted by the students?

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