NCERT Exemplar Solutions
Class 6 - MathematicsUnit 5: Data Handling
Class 6 - Mathematics
Exercise C: Multiple Choice Questions
Question. 1
Using tally marks, which one of the following represents the number eight:
||||| |||
NN NN
||||| ||
NN |||
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Question. 2
The marks (out of 10) obtained by 28 students are listed. The number of students who obtained marks more than or equal to 5 is:
13
15
16
17
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Question. 3
In question 2 above, the number of students who scored marks less than 4 is:
15
13
12
10
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Question. 4
The choices of fruits of 42 students are given. Which two fruits are liked by an equal number of students?
A and M
M and B
B and O
B and G
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Question. 5
According to data of question 4, which fruit is liked by most of the students?
O
G
M
A
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Exercise C: True or False Questions
Question. 6
In a bar graph, the width of bars may be unequal.
Answer:
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Question. 7
In a bar graph, bars of uniform width are drawn vertically only.
Answer:
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Question. 8
In a bar graph, the gap between two consecutive bars may not be the same.
Answer:
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Question. 9
In a bar graph, each bar (rectangle) represents only one value of the numerical data.
Answer:
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Question. 10
To represent the population of different towns using a bar graph, it is convenient to take one unit length to represent one person.
Answer:
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Question. 11
Pictographs and bar graphs are pictorial representations of numerical data.
Answer:
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Question. 12
An observation occurring five times in a data is recorded as |||||, using tally marks.
Answer:
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Question. 13
In a pictograph, if a full symbol represents 50 books in a library shelf, then a half symbol represents 25 books.
Answer:
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Exercise C: Fill in the Blanks
Question. 14
A ______ is a collection of numbers gathered to give some meaningful information.
Answer:
A data is a collection of numbers gathered to give some meaningful information.
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Question. 15
The data can be arranged in a tabular form using ______ marks.
Answer:
The data can be arranged in a tabular form using tally marks.
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Question. 16
A ______ represents data through pictures of objects.
Answer:
A pictograph represents data through pictures of objects.
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Question. 17
In a bar graph, ______ can be drawn horizontally or vertically.
Answer:
In a bar graph, bars can be drawn horizontally or vertically.
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Question. 18
In a bar graph, bars of ______ width can be drawn horizontally or vertically with ______ spacing between them.
Answer:
In a bar graph, bars of uniform width can be drawn horizontally or vertically with equal spacing between them.
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Question. 19
An observation occurring seven times in a data is represented as ______ using tally marks.
Answer:
An observation occurring seven times in a data is represented as ||||/ || using tally marks.
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Question. 20
In a pictograph, if a symbol 
represents 20 flowers in a basket then 
stands for ______ flowers.
Answer:
In a pictograph, if a symbol represents 20 flowers in a basket then a half-symbol stands for 10 flowers.
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Question. 21
On the scale of 1 unit length = 10 crore, the bar of length 6 units will represent ______ crore and of ______ units will represent 75 crore.
Answer:
On the scale of 1 unit length = 10 crore, the bar of length 6 units will represent 60 crore and of 7.5 units will represent 75 crore.