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4th Grade > Mathematics

DATA HANDLING MCQs

Total Questions : 40 | Page 2 of 4 pages
Question 11. Number of rows in the table given below is ______.
            ItemQuantityRasagulla25Gulab jamun30Ladoo18Vanilla cake21
  1.    2
  2.    5
  3.    10
  4.    8
 Discuss Question
Answer: Option B. -> 5
:
B
Data written horizontally are called rows.
From this table, we figure out that 4 different sweet items are given with 1 row for the header.
Thus, there are totally five rows present in the given table.
Question 12. In a bar graph, the distance between two bars may not be the same. 
  1.    False
  2.    True
  3.    3
  4.    4
 Discuss Question
Answer: Option A. -> False
:
A
In a bar graph, we follow these rules
1)The width of the bars should be uniform throughout.
2)The gap between one bar and another should be equal throughout.
Question 13. A graph that presents data with rectangular bars with heights or lengths proportional to the values that they represent is :
  1.    Bar Graph
  2.    Pie Chart
  3.    Pictograph
  4.    Raw data
 Discuss Question
Answer: Option A. -> Bar Graph
:
A
Abar graphis agraphthat presents data with rectangularbarshaving heights or lengths showing the values that they represent.
Question 14. The daily rainfall data of a week is shown below. What is the total amount of rainfall on Wednesday? (1 drop = 2 inches of rain)
The Daily Rainfall Data Of A Week Is Shown Below. What Is Th...
  1.    36 inches
  2.    16 inches
  3.    32 inches
  4.    20 inches
 Discuss Question
Answer: Option B. -> 16 inches
:
B
Given:
1 drop = 2 inches
Wednesday = 8 drops of rain
Therefore, inches of rain on Wednesday =2×8=16inches
Question 15. Height of 12 boys (in cm) are :
143,144,141,145,147,144,142,145,149,151,147,143

 What is the frequency of boys with a height of 143 cm?
  1.    2
  2.    3
  3.    4
  4.    1
 Discuss Question
Answer: Option A. -> 2
:
A
Arranging the heights of 12 boys in ascending order we get
141,142,143,143,144,144,145,145,147,147,149,151
The number of times a particular value of data occurs is known as frequency.
Here, we seethere are 2 boys with height 143 cm.
Therefore, the frequency of boys with a height of 143 cm is 2.
Question 16. If others include 3 orange cars, 4 green cars and 2 purple cars, what is the difference between the number of red cars sold and number of green cars sold? 
If Others Include 3 Orange Cars, 4 Green Cars And 2 Purple C...
  1.    10
  2.    15
  3.    11
  4.    4
 Discuss Question
Answer: Option C. -> 11
:
C
On observing the data,
Given: Red cars = 15
Green cars = 4
Difference between red cars sold and green cars = 154=11cars
Question 17. Find the frequency of  symbol ‘-’:
 ×, ×, ÷, -, ×, +, +, ÷, ×, +, -, +, +, -, ÷, ×
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option C. -> 3
:
C
The number of times a particular value of data occurs is known as frequency.
×, ×, ÷, -, ×, +, +, ÷, ×, +, -, +, +, -, ÷, ×
Here,we observed that symbol '-'is occurringthrice, therefore the frequency of '-' symbol is 3.
Question 18. What is the sum of black coloured and white coloured cars sold?
What Is The Sum Of Black Coloured And White Coloured Cars So...
  1.    32
  2.    37
  3.    17
  4.    33
 Discuss Question
Answer: Option B. -> 37
:
B
On observing the table we see,
Number of black cars sold = 20
Number of white cars sold = 17
∴ Total number of black and white cars sold = 20+17=37cars
Question 19. The initial data collected which is not organised is called:
  1.    Bar graph
  2.    Grouped data
  3.    Raw data
  4.    Graph
 Discuss Question
Answer: Option C. -> Raw data
:
C
Raw data is data collected from one or many sources. It is datathat has not been organised. It needs to be organised so that it can be used.
Question 20. The figure shows the preferred flavour of popcorn among 20 persons.
The Figure Shows The Preferred Flavour Of Popcorn Among 20 P... 
How many people don’t have caramel as the favourite?
  1.    18
  2.    17
  3.    15
  4.    16
 Discuss Question
Answer: Option B. -> 17
:
B
The Figure Shows The Preferred Flavour Of Popcorn Among 20 P...
On observing the bar graph, we see that
Total number of people who took the survey = (3 + 4+ 7+ 6) = 20
Number of people who like caramel flavour = 3
Number of people who don't prefer caramel flavoured popcorn =203=17

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