Mathematics Class 6 NCERT Solutions: Chapter 9 Data Handling Exercise 9.1 – Part 1

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Q.1 In a mathematics test the following marks were obtained by 40 students. Arrange these marks in a table using tally marks.

Table of Data for Tally Marks
Table of Data For Tally Marks

8

1

3

7

6

5

5

4

4

2

(a) Find how many students obtained marks equal to or more than 7?

(b) How many students obtained marks below ?

Answer:

Table of Mathematics Data for Student
Table of Mathematics Data For Student

Marks

Tally Marks

No. of Students

(a) Students obtained marks equal to or more than 7

(b) Students obtained marks below

Q.2 Following is the choice of sweets of students of Class VI.

Ladoo, Barfi, Ladoo, Jalebi, Ladoo, Rashulla, Jalebi, Ladoo, Barfi, Rasgulla, Ladoo, Jalebi, Rashulla, Ladoo, Rasgulla, Jalebi, Ladoo, Rasgulla, Ladoo, Ladoo, Barfi, Rasgulla, Rasgulla, Jalebi, Rasgulla, Ladoo, Rasgulla, Jalebi, Ladoo

(a) Table using tally marks:

Table of Choice of Sweets of 30 Students
Table of Choice of Sweets of 30 Students

Sweets

Tally Marks

No. of Students

(b) Which sweet is preferred by most of the students?

Answer: Ladoo preferred most of the students because students prefer eat.

Q.3 Catherine threw a dice and noted the number appearing each time as shown below:

Table of Catherine Threw a Dice 40 Times
Table of Catherine Threw a Dice 40 Times

1

3

5

6

6

3

5

4

1

6

Make a table and enter the data using tally marks. Find the number that appeared.

(a) The minimum number of times.

Answer:

Table of Tally Marks Table
Table of Tally Marks Table

Numbers

Tally Marks

How many Times?

(a) The minimum number of times

Answer: The minimum number of times = 4

(b) The minimum number of times.

Answer: The maximum number of times

(c) Find those numbers that appear an equal number of times.

Answer: