CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VII - Data Handling
Question 1
1.
The following bar graph shows the export earnings of a country (in thousand crore) during five years. Find the year that has minimum export earnings.
  • 2010-11
  • 2006-07
  • 2009-10
  • 2007-08
  • 2008-09
Question 2
2.
The number of bars present in the bar chart of the following table is
  • 4
  • 3
  • 5
  • 8
  • 6
Question 3
3.
Find the median of all the factors of 10.
  • 4
  • 7
    2
  • 9
    2
  • 13
    4
  • 5
    2
Question 4
4.
A survey of 100 men showed that only 60 of them know Sanskrit. Out of these men, if one is selected at random, what is the probability that the selected man knows Sanskrit?
  • 2
    5
  • 4
    5
  • 3
    5
  • 2
    3
Question 5
5.
    • The sale of shirts of various sizes at a shop on a particular day is given below. Identify the frequency distribution table for the given data.
      • 25
      • 20
      • 27
      • 28
      • 34
      • 31
      • 34
      • 34
      • 40
      • 30
      • 38
      • 36
      • 37
      • 39
      • 26
      • 35
      • 36
      • 29
      • 30
      • 27
  • Size
    20
    25
    26
    27
    28
    29
    30
    31
    34
    35
    36
    37
    38
    39
    40
    No. of Shirts
    1
    2
    1
    2
    1
    1
    2
    1
    2
    1
    2
    1
    1
    1
    1
  • Size
    20
    25
    26
    27
    28
    30
    31
    34
    35
    36
    37
    38
    39
    40
    No. of Shirts
    1
    2
    1
    2
    1
    2
    1
    3
    1
    2
    1
    1
    1
    1
  • Size
    20
    21
    22
    23
    24
    27
    28
    30
    31
    34
    35
    36
    37
    No. of Shirts
    2
    1
    2
    1
    1
    2
    1
    3
    3
    1
    1
    1
    1
  • Size
    21
    22
    23
    25
    27
    28
    31
    33
    34
    35
    36
    37
    38
    39
    40
    No. of Shirts
    1
    1
    1
    1
    1
    1
    2
    1
    1
    2
    2
    2
    1
    2
    1
  • Size
    20
    25
    26
    27
    28
    29
    30
    31
    34
    35
    36
    37
    38
    39
    40
    No. of Shirts
    1
    1
    1
    2
    1
    1
    2
    1
    3
    1
    2
    1
    1
    1
    1
Question 6
6.
The marks obtained by Santosh in his annual exam are shown below. Find the subject that has maximum score.
  • Physics
  • Spanish
  • English
  • Hindi
  • German
Question 7
7.
Read the column-graph given below. Find the year that has minimum food grains production.
  • 2009
  • 2010
  • 2008
  • 2011
  • 2007
Question 8
8.
    • Rainfall of 14 days (in mm) are given below. Find the mean rainfall.
      • 13
      • 15
      • 14
      • 5
      • 9
      • 11
      • 12
      • 6
      • 8
      • 6
      • 6
      • 12
      • 14
      • 5
  • 69
    7
    mm
  • 10
    mm
  • 75
    7
    mm
  • 68
    7
    mm
  • 82
    7
    mm
Question 9
9.
    • Heights of 13 plants (in cm) are given below. Find the median height.
      • 60
      • 79
      • 80
      • 84
      • 86
      • 86
      • 91
      • 81
      • 60
      • 65
      • 61
      • 77
      • 74
  • 79
    cm
  • 81
    cm
  • 80
    cm
  • 77
    cm
  • 78
    cm
Question 10
10.
    • The marks obtained by 13 students in a test are given below. Find their mode marks.
      • 2
      • 47
      • 23
      • 6
      • 2
      • 20
      • 21
      • 47
      • 38
      • 31
      • 2
      • 37
      • 15
  • 2
  • 1
  • 3
  • 4
  • -1