NCERT SOLUTIONS EXERCISE 9.1 CLASS 6 MATHS

Find here step-by-step NCERT Solutions Exercise 9.1 Class 6 Maths Chapter 9 Data Handling [ Organising Data | Tally Marks | Pictographs ].

Prerequisite / Revise:

NCERT Solutions Exercise 9.1 Class 6 Maths | Data Handling

Problems in Exercise 9.1 Class 6 Maths require the knowledge of Organisation of Data, Tally marks, Frequency Distribution Table and Pictographs and their interpretation.

Pictograph is one of methods to represent data graphically (visually). A Pictograph represents data in the form of pictures, objects or parts of objects.

Exercise 9.1
Frequency Tables / Pictographs

QUESTION 1
In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks.

NCERT SOLUTIONS EXERCISE 9.1 Class 6 MATHS

(a) Find how many students obtained marks equal to or more than 7.
(b) How many students obtained marks below 4?

ANSWER

Given marks can be arranged in table using tally marks as following:

NCERT SOLUTIONS EXERCISE 9.1 CLASS 6 MATHS

(a) Numbers of students obtained marks equal to or more than 7 = 5+4+3 = 12

(b) Numbers of students obtained marks below 4 = 3+3+2 = 8.

QUESTION 2
Following is the choice of sweets of 30 students of Class VI.
Ladoo, Barfi, Ladoo, Jalebi, Ladoo, Rasgulla, Jalebi, Ladoo, Barfi, Rasgulla, Ladoo, Jalebi, Jalebi, Rasgulla, Ladoo, Rasgulla, Jalebi, Ladoo, Rasgulla, Ladoo, Ladoo, Barfi, Rasgulla, Rasgulla, Jalebi, Rasgulla, Ladoo, Rasgulla, Jalebi, Ladoo.
(a) Arrange the names of sweets in a table using tally marks.
(b) Which sweet is preferred by most of the students?

ANSWER

(a) Given names of sweets can be arranged using tally marks as following:

NCERT SOLUTIONS EXERCISE 9.1 CLASS 6 MATHS

(b) The sweet which is preferred by most students is Ladoo.

QUESTION 3
Catherine threw a dice 40 times and noted the number appearing each time as shown below :

NCERT SOLUTIONS EXERCISE 9.1 CLASS 6 MATHS

Make a table and enter the data using tally marks. Find the number that appeared.
(a) The minimum number of times
(b) The maximum number of times
(c) Find those numbers that appear an equal number of times.

ANSWER

Given data can be arranged in table using tally marks as following:

NCERT SOLUTIONS EXERCISE 9.1 CLASS 6 MATHS

(a) Number that occurred minimum number of times = 4 (4 times),

(b) Number that occurred maximum number of times = 5 (11 times),

(c) Numbers that appear an equal number of times = 1 and 6 (7 times).

[ NCERT SOLUTIONS EXERCISE 9.1 CLASS 6 MATHS ]

QUESTION 4
Following pictograph shows the number of tractors in five villages.

NCERT SOLUTIONS EXERCISE 9.1 CLASS 6 MATHS

Observe the pictograph and answer the following questions.
(i) Which village has the minimum number of tractors?
(ii) Which village has the maximum number of tractors?
(iii) How many more tractors village C has as compared to village B.
(iv) What is the total number of tractors in all the five villages?

ANSWER

(i) Village D has minimum number of tractors (3 tractors),

(ii) Village C has maximum number of tractors (8 tractors)

(iii) 8 – 5 = 3

Village C has 3 more tractors than Village B.

(iv) Total number of tractors in all villages = 6+5+8+3+6 = 28.

QUESTION 5
The number of girl students in each class of a co-educational middle school is depicted by the pictograph :

NCERT SOLUTIONS EXERCISE 9.1 CLASS 6 MATHS

Observe this pictograph and answer the following questions :

(a) Which class has the minimum number of girl students?
(b) Is the number of girls in Class VI less than the number of girls in Class V?
(c) How many girls are there in Class VII?

ANSWER

(a) Class VIII has minimum number of girls students,

(b) No,

(c) Number of girls in Clas VII = 3×4 = 12.

[ NCERT SOLUTIONS EXERCISE 9.1 CLASS 6 MATHS ]

QUESTION 6
The sale of electric bulbs on different days of a week is shown below :

NCERT SOLUTIONS EXERCISE 9.1 CLASS 6 MATHS

Observe the pictograph and answer the following questions :

(a) How many bulbs were sold on Friday?
(b) On which day were the maximum number of bulbs sold?
(c) On which of the days same number of bulbs were sold?
(d) On which of the days minimum number of bulbs were sold?
(e) If one big carton can hold 9 bulbs. How many cartons were needed in the given week?

ANSWER

(a) Number of bulbs sold on Friday = 7×2 = 14,

(b) Maximum number of bulbs were sold on Sunday,

(c) Same number of bulbs were sold on Wednesday and Saturday,

(d) Minimun number of bulbs were sold on Wednesday and Saturday,

(e) Number of bulbs sold in a week = 43×2 = 86,

Capacity of a big carton = 9,

Now, \frac{86}{9}=9.5

So, number of cartons needed in a week = 10.

QUESTION 7
In a village six fruit merchants sold the following number of fruit baskets in a particular season :

NCERT SOLUTIONS EXERCISE 9.1 CLASS 6 MATHS

Observe this pictograph and answer the following questions :
(a) Which merchant sold the maximum number of baskets?
(b) How many fruit baskets were sold by Anwar?
(c) The merchants who have sold 600 or more number of baskets are planning to buy a godown for the next season. Can you name them?

ANSWER

(a) Martin sold the maximum number of baskets,

(b) Fruit baskets sold by Anwar = 7×100 = 700

(c) Anwar, Martin and Ranjit Singh are the merchants who have sold 600 or more number of baskets and are planning to buy a godown for the next season.

NCERT SOLUTIONS CLASS 6 MATHS CHAPTER 9 DATA HANDLING

Check NCERT Solutions of other exercises from Class 6 Maths Chapter 9 Data Handling by clicking the links given below.

Exercise 9.1
Exercise 9.2
Exercise 9.3
Exercise 9.4

We hope Ncert Solutions Exercise 9.1 Class 6 Maths has helped you understand how to organise Data using tally marks and frequencies and how to read Pictographs.

Write in the comment section for any error or any solution related queries from the exercise. [ Ncert Solutions Exercise 9.1 Class 6 Maths ]

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