CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VIII - Introduction to Graphs
Question 1
1.
The total export earnings of ₹1440 crores of a country during five years is shown below. Find the earnings (in crores) in 2008-09.
  • 262
  • 257
  • 263
  • 258
  • 260
Question 2
2.
The frequency polygon is one drawn using
  • upper boundaries of classes and cumulative frequencies
  • lower boundaries of classes and greater than cumulative frequencies
  • mid point of classes and frequencies
  • end points of classes and frequencies
Question 3
3.
    • Temperatures of 188 days (in °C) are given below.
    • Identify the class interval table for the given histogram.
  • Temperature (in degree)
    29 - 39
    40 - 50
    51 - 61
    62 - 72
    73 - 83
    84 - 94
    95 - 105
    No. of days
    23
    43
    38
    14
    15
    46
    9
  • Temperature (in degree)
    29 - 39
    40 - 50
    51 - 61
    62 - 72
    73 - 83
    84 - 94
    95 - 105
    No. of days
    23
    9
    43
    14
    15
    46
    38
  • Temperature (in degree)
    29 - 39
    40 - 50
    51 - 61
    62 - 72
    73 - 83
    84 - 94
    95 - 105
    No. of days
    23
    38
    43
    14
    15
    46
    9
  • Temperature (in degree)
    29 - 39
    40 - 50
    51 - 61
    62 - 72
    73 - 83
    84 - 94
    95 - 105
    No. of days
    23
    38
    43
    17
    15
    46
    9
  • Temperature (in degree)
    29 - 39
    40 - 50
    51 - 61
    62 - 72
    73 - 83
    84 - 94
    95 - 105
    No. of days
    23
    38
    38
    14
    15
    46
    9
Question 4
4.
    • Heights of 148 plants (in cm) are given below.
    • Identify the class interval table for the given histogram.
  • Height (in cm)
    59 - 68
    69 - 78
    79 - 88
    89 - 98
    99 - 108
    109 - 118
    No. of plants
    8
    42
    23
    17
    24
    34
  • Height (in cm)
    59 - 68
    69 - 78
    79 - 88
    89 - 98
    99 - 108
    109 - 118
    No. of plants
    8
    34
    42
    17
    24
    23
  • Height (in cm)
    59 - 68
    69 - 78
    79 - 88
    89 - 98
    99 - 108
    109 - 118
    No. of plants
    8
    23
    42
    15
    24
    34
  • Height (in cm)
    59 - 68
    69 - 78
    79 - 88
    89 - 98
    99 - 108
    109 - 118
    No. of plants
    8
    23
    42
    17
    24
    34
  • Height (in cm)
    59 - 68
    69 - 78
    79 - 88
    89 - 98
    99 - 108
    109 - 118
    No. of plants
    8
    23
    38
    17
    24
    34
Question 5
5.
    • Rainfall of 225 days (in mm) are given below.
    • Identify the class interval table for the given histogram.
  • Rainfall (in mm)
    7 - 15
    15 - 23
    23 - 31
    31 - 39
    39 - 47
    47 - 55
    55 - 63
    No. of days
    32
    32
    28
    15
    32
    44
    42
  • Rainfall (in mm)
    7 - 15
    15 - 23
    23 - 31
    31 - 39
    39 - 47
    47 - 55
    55 - 63
    No. of days
    32
    28
    32
    15
    32
    44
    42
  • Rainfall (in mm)
    7 - 15
    15 - 23
    23 - 31
    31 - 39
    39 - 47
    47 - 55
    55 - 63
    No. of days
    32
    28
    32
    13
    32
    44
    42
  • Rainfall (in mm)
    7 - 15
    15 - 23
    23 - 31
    31 - 39
    39 - 47
    47 - 55
    55 - 63
    No. of days
    32
    42
    32
    15
    32
    44
    28
  • Rainfall (in mm)
    7 - 15
    15 - 23
    23 - 31
    31 - 39
    39 - 47
    47 - 55
    55 - 63
    No. of days
    32
    28
    37
    15
    32
    44
    42
Question 6
6.
    • Weights of 232 students (in kg) are given below.
    • Identify the class interval table for the given histogram.
  • Weight (in kg)
    43 - 53
    53 - 63
    63 - 73
    73 - 83
    83 - 93
    93 - 103
    103 - 113
    No. of students
    32
    32
    45
    5
    50
    36
    32
  • Weight (in kg)
    43 - 53
    53 - 63
    63 - 73
    73 - 83
    83 - 93
    93 - 103
    103 - 113
    No. of students
    32
    45
    32
    5
    50
    36
    32
  • Weight (in kg)
    43 - 53
    53 - 63
    63 - 73
    73 - 83
    83 - 93
    93 - 103
    103 - 113
    No. of students
    32
    32
    45
    10
    50
    36
    32
  • Weight (in kg)
    43 - 53
    53 - 63
    63 - 73
    73 - 83
    83 - 93
    93 - 103
    103 - 113
    No. of students
    32
    32
    49
    5
    50
    36
    32
Question 7
7.
A survey of 950 school students was done to knowthe preferred free time activity. Find the activity that has 100 student preference.
  • Community work
  • Watching TV
  • Helping parents
  • Singing
  • Reading books
Question 8
8.
Shown below is the total food grain production of 365 million tonnes over 5 years. Find the year that has maximum food grain production.
  • 2010
  • 2007
  • 2009
  • 2011
  • 2008
Question 9
9.
Shown below is the total food grain production of 720 million tonnes over 5 years. Find the production (in million tonnes) in 2008.
  • 212
  • 210
  • 215
  • 209
  • 214
Question 10
10.
There are 760 creatures in a zoo. Find the type of creature that has 160 creatures presense in the zoo.
  • Beast animals
  • Reptiles
  • Land animals
  • Birds
  • Wild animals