CBSE Board Practice

CBSE Grade VIII - Data Handling
Question 1
1.
    • Weights of 169 students (in kg) are given below.
    • Identify the class interval table for the given histogram.
  • Weight (in kg)
    56 - 66
    67 - 77
    78 - 88
    89 - 99
    100 - 110
    111 - 121
    No. of students
    30
    44
    8
    39
    13
    35
  • Weight (in kg)
    56 - 66
    67 - 77
    78 - 88
    89 - 99
    100 - 110
    111 - 121
    No. of students
    30
    44
    12
    39
    13
    35
  • Weight (in kg)
    56 - 66
    67 - 77
    78 - 88
    89 - 99
    100 - 110
    111 - 121
    No. of students
    30
    35
    8
    39
    13
    44
  • Weight (in kg)
    56 - 66
    67 - 77
    78 - 88
    89 - 99
    100 - 110
    111 - 121
    No. of students
    30
    44
    8
    36
    13
    35
  • Weight (in kg)
    56 - 66
    67 - 77
    78 - 88
    89 - 99
    100 - 110
    111 - 121
    No. of students
    30
    8
    44
    39
    13
    35
Question 2
2.
    • The class marks of a frequency distribution are
    • 32.5 , 41.5 , 50.5 , 59.5
    • .
    • Find the class size and class intervals
    • in exclusive form
  • 10
    ;
    28
    -
    37
    ,
    38
    -
    47
    ,
    48
    -
    57
    ,
    58
    -
    67
  • 9
    ;
    28
    -
    37
    ,
    37
    -
    46
    ,
    46
    -
    55
    ,
    55
    -
    64
  • 9
    ;
    29
    -
    38
    ,
    38
    -
    47
    ,
    47
    -
    56
    ,
    56
    -
    65
  • 9
    ;
    27
    -
    36
    ,
    36
    -
    45
    ,
    45
    -
    54
    ,
    54
    -
    63
  • 11
    ;
    27
    -
    37
    ,
    38
    -
    48
    ,
    49
    -
    59
    ,
    60
    -
    70
Question 3
3.
    • A man earns Rs 2385 per month. His expenditure during a month is as follows. Find the pie chart sector angle for "Electricity"
    • Item
      Net bill
      Rent
      Food
      Electricity
      Savings
      Clothing
      Misc.
      Expenses (in rupees)
      135
      180
      225
      315
      360
      495
      675
  • 49.55°
  • 45.55°
  • 46.55°
  • 48.55°
  • 47.55°
Question 4
4.
There are 5850 creatures in a zoo as shown below. Find the pie chart sector angle for "Beast animals"
Type of creatures
Water animals
Wild animals
Birds
Beast animals
Domestic animals
Land animals
Reptiles
No. of creatures
270
450
720
810
990
1260
1350
  • 48.85°
  • 49.85°
  • 50.85°
  • 47.85°
  • 51.85°
Question 5
5.
    • Given class interval
    • 36
    • -
    • 41
    • in exclusive form, its
    • upper limit is
  • 41
  • 38
  • 42
  • 40
  • 44
Question 6
6.
A survey of 1240 school students was done to knowthe preferred free time activity. Find the activity that has 240 student preference.
  • Playing
  • Painting
  • Reading books
  • Watching TV
  • Singing
Question 7
7.
One card is drawn at random from a well shuffled deck of 52 cards. What is the probability that the card drawn is a face card ?
  • 1

    26
  • 1

    13
  • 1

    4
  • 1

    52
  • 3

    13
Question 8
8.
The total export earnings of ₹825 thousand crore of a country during five years is shown below. Find the year that has 180 thousand crore export earnings.
  • 2007-08
  • 2008-09
  • 2009-10
  • 2010-11
  • 2006-07
Question 9
9.
The following pie chart shows 970 students of a school participating in various games. Find the game that has maximum participation.
  • swimming
  • hockey
  • long jump
  • volleyball
  • kabaddi
Question 10
10.
The following bar graph gives data regarding the favourite sport of 972 students of a school. Identify the table for the given bar diagram.
  • Sport
    long jump
    tennis
    cricket
    football
    hockey
    high jump
    basketball
    wrestling
    No. of students
    99
    180
    108
    90
    153
    135
    144
    63
  • Sport
    long jump
    tennis
    cricket
    football
    hockey
    high jump
    basketball
    wrestling
    No. of students
    99
    108
    135
    90
    144
    180
    153
    63
  • Sport
    long jump
    tennis
    cricket
    football
    hockey
    high jump
    basketball
    wrestling
    No. of students
    99
    135
    153
    144
    63
    180
    90
    108
  • Sport
    long jump
    tennis
    cricket
    football
    hockey
    high jump
    basketball
    wrestling
    No. of students
    90
    63
    144
    108
    99
    135
    180
    153
  • Sport
    long jump
    tennis
    cricket
    football
    hockey
    high jump
    basketball
    wrestling
    No. of students
    99
    63
    153
    135
    144
    180
    90
    108