The Arithmetic Mean of the following data is.
- A$20$
- ✓$25$
- C$100$
- D$125$
Answer: B.
View full solution →Question types
Data Handling question types
204 questions across 9 question groups — pick any mix to generate a MATHS paper with step-by-step answer keys.
204
Questions
9
Question groups
5
Question types
01
M.C.Q. [1 Marks Each]
146 Q→02Assertion (A) & Reason (B) MCQ
12 Q→03TRUE-FLASE [1 Marks Each]
1 Q→04BLANKS [1 Marks Each]
7 Q→051 Marks Question
11 Q→062 Marks Questions
3 Q→073 Marks Question
3 Q→085 Marks Questions
11 Q→09Case study (4 Marks)
10 Q→Sample Questions
Data Handling questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
In which class is the number of students $500?$
- ✓$VIII$
- B$VII$
- C$IX$
- D$X$
Answer: A.
View full solution →What is the number of houses represented by the figure $⌅⌅⌅⌅$ if each symbol represents 15 houses?
- ✓$60$
- B$20$
- C$15$
- D$40$
Answer: A.
View full solution →A pictorial representation of data is called:
- ✓Pictograph
- BDifferent graph
- CAttractive graph
- DNone
Answer: A.
View full solution →Direction: Answer the following set of questions by reading the pictograph given.
What is the number of $TV$ sets sold in the year 1980?
What is the number of $TV$ sets sold in the year 1980?
- ✓$3000$
- B$1500$
- C$1250$
- D$2000$
Answer: A.
View full solution →Directions: In the following questions, the Assertions $(A)$ and Reason(s) $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion (A): Observe the following bar graph and consider it as assertions for the next questions:
Reason (R): Political party Cwon the minimum number of seats.
Assertion (A): Observe the following bar graph and consider it as assertions for the next questions:
Reason (R): Political party Cwon the minimum number of seats.
- ✓Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
- BBoth $A$ and $R$ are true but $R$ is not the correct explanation of $A$
- C$A$ is true but $R$ is false
- D$A$ is false but $R$ is true
Answer: A.
View full solution →Directions: In the following questions, the Assertions $(A)$ and Reason(s) $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion (A): The maximum marks obtained by any student is $95$ out of $100$
Reason (R): Data is a collection of numbers gathered to give some information.
Assertion (A): The maximum marks obtained by any student is $95$ out of $100$
Reason (R): Data is a collection of numbers gathered to give some information.
- ABoth $A$ and $R$ are true and $R$ is the correct explanation of $A$
- BBoth $A$ and $R$ are true but $R$ is not the correct explanation of $A$
- C$A$ is true but $R$ is false
- ✓$A$ is false but $R$ is true
Answer: D.
View full solution →Directions: In the following questions, the Assertions $(A)$ and Reason(s) $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion (A): The difference between maximum and minimum frequency is $9.$
Reason (R):
Assertion (A): The difference between maximum and minimum frequency is $9.$
Reason (R):
|
Blood Groups
|
Number of students
|
|
$A$
|
$9$
|
|
$B$
|
$6$
|
|
$O$
|
$12$
|
|
$AB$
|
$3$
|
|
Total
|
$30$
|
- ✓Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
- BBoth $A$ and $R$ are true but $R$ is not the correct explanation of $A$
- C$A$ is true but $R$ is false
- D$A$ is false but $R$ is true
Answer: A.
View full solution →Directions: In the following questions, the Assertions $(A)$ and Reason(s) $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following: Assertion (A):
Reason (R): The most common blood group is $B.$
|
Blood Groups
|
Number of students
|
|
$A$
|
$9$
|
|
$B$
|
$6$
|
|
$O$
|
$12$
|
|
$AB$
|
$3$
|
|
Total
|
$30$
|
- ABoth $A$ and $R$ are true and $R$ is the correct explanation of $A$
- BBoth $A$ and $R$ are true but $R$ is not the correct explanation of $A$
- C$A$ is true but $R$ is false
- ✓$A$ is false but $R$ is true
Answer: D.
View full solution →Directions: In the following questions, the Assertions $(A)$ and Reason(s) $(R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion (A): Observe the following bar graph and consider it as assertions for the next questions:
Reason (R): The total number of seats won by party $C$ and party $D$ is $30.$
Assertion (A): Observe the following bar graph and consider it as assertions for the next questions:
Reason (R): The total number of seats won by party $C$ and party $D$ is $30.$
- ABoth $A$ and $R$ are true and $R$ is the correct explanation of $A$
- BBoth $A$ and $R$ are true but $R$ is not the correct explanation of $A$
- C$A$ is true but $R$ is false
- ✓$A$ is false but $R$ is true
Answer: D.
View full solution →Pictographs and bar graphs are pictorial representations of the numerical data.
$a.$ True $b.$ False
View full solution →$a.$ True $b.$ False
If the scale along $Y-$axis is $1$ unit $10$ girls, then a bar of height $2.$5units will represent……….girls. $(25, 20, 30)$
View full solution →If the scale along $Y-$axis is $I$ unit $= 4$ books, then a bar of height 5$$ unitswill represent………..books. $(9$ books, $1$ book, $20$ books$)$
View full solution →If the scale along $Y-$axis is $1$ unit $5$ students, then a bar of height ………… units will represent $30$ students. $(5. 1. 6)$
View full solution →In a bar graph, the ……….. of each bar gives the required information. (height. breadth, thickness)
In a bar graph, every bar is in the shape of a……….. (triangle. rectangle, square)
The sale of electric bulbs on different days of a week is shown below:
On which of the days minimum number of bulbs were sold?
View full solution →| Days | Number of electric bulbs  $- 2$ Bulbs |
| Monday |  |
| Tuesday |  |
| Wednesday |  |
| Thursday |  |
| Friday |  |
| Saturday |  |
| Sunday |  |
The sale of electric bulbs on different days of a week is shown below:
On which of the days same number of bulbs were sold?
View full solution →| Days | Number of electric bulbs $- 2$ Bulbs |
| Monday | |
| Tuesday | |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | |
| Sunday | |
The sale of electric bulbs on different days of a week is shown below:
On which day were the maximum number of bulbs sold?
View full solution →| Days | Number of electric bulbs $- 2$ Bulbs |
| Monday | |
| Tuesday | |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | |
| Sunday | |
Following pictograph shows the number of tractors in five villages:
What is the total number of tractors in all the five villages$?$
View full solution →| Villages | Number of tractors  $- 1$ Tractor |
| Village $A$ |  |
| Village $B$ |  |
| Village $C$ |  |
| Village $D$ |  |
| Village $E$ |  |
Following pictograph shows the number of tractors in five villages:
How many more tractors village $C$ has as compared to village $B.$
View full solution →| Villages | Number of tractors $- 1$ Tractor |
| Village $A$ | |
| Village $B$ | |
| Village $C$ | |
| Village $D$ | |
| Village $E$ | |
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.
$i.\ $ Arrange the name of sweets in a table using tally marks.
$ii.\ $ Which sweet is preferred by most of the students?
View full solution →$i.\ $ Arrange the name of sweets in a table using tally marks.
$ii.\ $ Which sweet is preferred by most of the students?
The colours of fridges preferred by people living in a locality are shown by the pictograph:
How many people liked red colour$?$
View full solution →How many people liked red colour$?$
| Colours | Number of People  $- 10$ people |
| Blue |  |
| Green |  |
| Red |  |
| White |  |
Ekta is asked to collect data for size of shoes of students in her Class $VI.$ Her finding are recorded in the manner shown below:
$5, 4, 7, 5, 6, 7, 6, 5, 6, 6, 5, 4, 5, 6, 8, 7, 4, 6, 5, 6, 4, 6, 5, 7, 6, 7, 5, 7, 6, 4, 8, 7$
Javed wanted to know
$i.\ $the size of shoes worn by the maximum number of students.
$ii.\ $the size of shoes worn by the minimum number of students.
Can you find this information?
View full solution →$5, 4, 7, 5, 6, 7, 6, 5, 6, 6, 5, 4, 5, 6, 8, 7, 4, 6, 5, 6, 4, 6, 5, 7, 6, 7, 5, 7, 6, 4, 8, 7$
Javed wanted to know
$i.\ $the size of shoes worn by the maximum number of students.
$ii.\ $the size of shoes worn by the minimum number of students.
Can you find this information?
The number of girl students in each class of a co$-$educational middle school is depicted by the pictograph :
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 $VII$?
View full solution →| Classes | Number of girls students  $- 4$ Girls |
| $I$ |  |
| $II$ |  |
| $III$ |  |
| $IV$ |  |
| $V$ |  |
| $VI$ |  |
| $VII$ |  |
| $VIII$ |  |
$a.$ 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 $VII$?
Following is the pictograph of the number of wrist watches manufactured by a factory in a particular week.
$i.\ $On which day were the least number of wrist watches manufactured?
$ii.\ $On which day were the maximum number of wrist watches manufactured?
$iii.\ $Find out the approximate number of wrist watches manufactured in the particular week?
View full solution →| Days | Number of wrist watches manufactured  $=100$ Wrist Watches |
| Monday |  |
| Tuesday |  |
| Wednesday |  |
| Thursday |  |
| Friday |  |
| Saturday |  |
$ii.\ $On which day were the maximum number of wrist watches manufactured?
$iii.\ $Find out the approximate number of wrist watches manufactured in the particular week?
A teacher wants to know the choice of food of each student as part of the mid-day meal programme. The teacher assigns the task of collecting this information to Maria. Maria does so using a paper and a pencil. After arranging the choices in a column, she puts against a choice of food one $(|)$ mark for every student making that choice
View full solution →| Choice | Number of students |
| Rice only |  |
| Chapati only |  |
| Both rice and chapati only |  |
In a village six fruit merchants sold the number of fruit baskets in a particular season:
Observe this pictograph and answer the question:
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?
View full solution →| Number of fruit merchants | Number of fruit baskets  $- 100$ Fruit baskets |
| Rahim |  |
| Lakhanpal |  |
| Anwar |  |
| Martin |  |
| Ranjit Singh |  |
| Joseph |  |
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?
In a village six fruit merchants sold the number of fruit baskets in a particular season:
Observe this pictograph and answer the question: How many fruit baskets were sold by Anwar?
View full solution →| Number of fruit merchants | Number of fruit baskets $- 100$ Fruit baskets |
| Rahim | |
| Lakhanpal | |
| Anwar | |
| Martin | |
| Ranjit Singh | |
| Joseph | |
In a village six fruit merchants sold the number of fruit baskets in a particular season:
Observe this pictograph and answer the question: Which merchant sold the maximum number of baskets?
View full solution →| Number of fruit merchants | Number of fruit baskets $- 100$ Fruit baskets |
| Rahim | |
| Lakhanpal | |
| Anwar | |
| Martin | |
| Ranjit Singh | |
| Joseph | |
The sale of electric bulbs on different days of a week is shown below:
If one big carton can hold 9 bulbs. How many cartons were needed in the given week?
View full solution →| Days | Number of electric bulbs $- 2$ Bulbs |
| Monday | |
| Tuesday | |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | |
| Sunday | |
The sale of electric bulbs on different days of a week is shown below:
How many bulbs were sold on Friday?
View full solution →| Days | Number of electric bulbs $- 2 $ Bulbs |
| Monday | |
| Tuesday | |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | |
| Sunday | |
Use the given information to answer the following questions.
(a) In which months the same number of newspapers were sold?
(b) How many newspapers does the symbol
represent, if 3,50,000 newspapers were sold in the month of January?
(c) In which month were the least number of newspapers sold?
(d) How many newspapers were sold over a 7 month period, if each symbol equals 7000 newspapers?
(a) In which months the same number of newspapers were sold?
(b) How many newspapers does the symbol
represent, if 3,50,000 newspapers were sold in the month of January?(c) In which month were the least number of newspapers sold?
(d) How many newspapers were sold over a 7 month period, if each symbol
equals 7000 newspapers?The given pictograph represents the number of people who visited a museum during a week.
answer the following questions.
Now, answer the following questions.
(a) On which day did maximum number of people visit the museum?
(b) How many more people visited the museum on Saturday than on Thursday?
(c) If the profit of 20 was made on the sale of each entry ticket, find the total profit made on Sunday.
(d) Can you represent the same information in a bar graph? If yes, try it.
answer the following questions.
Now, answer the following questions.
(a) On which day did maximum number of people visit the museum?
(b) How many more people visited the museum on Saturday than on Thursday?
(c) If the profit of 20 was made on the sale of each entry ticket, find the total profit made on Sunday.
(d) Can you represent the same information in a bar graph? If yes, try it.
The following data gives the number of children in 20 families.
2, 3, 3, 1, 2, 2, 2, 4, 1, 4, 5, 1, 5, 4, 1, 1, 2, 3, 2, 2
Make a table and enter the data using tally marks. Find:
(a) how many families have 3 children?
(b) how many families have less than 3 children?
2, 3, 3, 1, 2, 2, 2, 4, 1, 4, 5, 1, 5, 4, 1, 1, 2, 3, 2, 2
Make a table and enter the data using tally marks. Find:
(a) how many families have 3 children?
(b) how many families have less than 3 children?
Represent the following data using a bar graph.
Various modes of transport used by 2000 students of a school are as follows.
Various modes of transport used by 2000 students of a school are as follows.
| Modes of transport | Car | Cycle | Private Van | School Bus | Walking |
| Number of students | 250 | 380 | 220 | 750 | 400 |
Represent the following data using a bar graph.
The number of Mathematics books sold by a shopkeeper on six consecutive days is given below.
The number of Mathematics books sold by a shopkeeper on six consecutive days is given below.
| Day | Monday | Tuesday | Wednesday | Thirsday | Friday | Saturday |
| Number of books sold | 50 | 35 | 40 | 70 | 60 | 65 |
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