EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Data Handling
Grade : CBSE Grade VII
License : Non Commercial Use
Question 1
1.
    • Ages of 31 students are given below. Find the mode.
    • Age (in years)
      10
      11
      12
      13
      14
      15
      No. of students
      8
      7
      4
      6
      5
      1
  • (i)
    10
    years
  • (ii)
    11
    years
  • (iii)
    9
    years
  • (iv)
    8
    years
  • (v)
    12
    years
Question 2
2.
    • Heights of 31 students are given below. Find the mode.
    • Height (in cm)
      126
      131
      135
      136
      137
      150
      151
      152
      162
      163
      168
      No. of students
      1
      4
      3
      2
      2
      1
      2
      3
      2
      3
      8
  • (i)
    170
    cm
  • (ii)
    167
    cm
  • (iii)
    166
    cm
  • (iv)
    168
    cm
  • (v)
    169
    cm
Question 3
3.
In a bar diagram the value represented by a rectangle is proportional to its
  • (i)
    perimeter
  • (ii)
    area
  • (iii)
    length
  • (iv)
    breadth
Question 4
4.
Following bar graph gives the average temperature of a place during a week. Find the day that has maximum temperature.
  • (i)
    Wed.
  • (ii)
    Mon.
  • (iii)
    Fri.
  • (iv)
    Sat.
  • (v)
    Sun.
Question 5
5.
    • The marks obtained by 15 students in a test are given below. Find their median marks.
      • 10
      • 36
      • 45
      • 27
      • 7
      • 17
      • 29
      • 10
      • 35
      • 28
      • 11
      • 3
      • 4
      • 8
      • 13
  • (i)
    15
  • (ii)
    10
  • (iii)
    14
  • (iv)
    12
  • (v)
    13
Question 6
6.
Given below is the column-graph showing heights of some mountain peaks. Find the mountain that has minimum height.
  • (i)
    Nanga Parbat
  • (ii)
    Annapurna
  • (iii)
    Kanchenjunga
  • (iv)
    Kilimanjaro
  • (v)
    Nanda Devi
Question 7
7.
Find the mean of first 5 whole numbers.
  • (i)
    2
  • (ii)
    4
  • (iii)
    -1
  • (iv)
    3
  • (v)
    1
Question 8
8.
    • Rainfall of 13 days (in mm) are given below. Find the mode rainfall.
      • 14
      • 12
      • 13
      • 13
      • 9
      • 8
      • 7
      • 7
      • 10
      • 8
      • 11
      • 10
      • 7
  • (i)
    7
    mm
  • (ii)
    6
    mm
  • (iii)
    5
    mm
  • (iv)
    8
    mm
  • (v)
    9
    mm
Question 9
9.
    • The scores obtained by 7 students in a test are given below. Find the range.
      • 20
      • 13
      • 20
      • 19
      • 18
      • 7
      • 12
  • (i)
    15
    4

    7
  • (ii)
    18
  • (iii)
    20
  • (iv)
    7
  • (v)
    13
Question 10
10.
    • 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.
      • 31
      • 36
      • 33
      • 29
      • 24
      • 30
      • 20
      • 37
      • 36
      • 26
      • 38
      • 23
      • 25
      • 31
      • 28
      • 35
      • 26
      • 24
      • 32
      • 30
      • 34
  • (i)
    Size
    20
    21
    22
    23
    24
    26
    27
    28
    29
    30
    31
    33
    36
    37
    38
    40
    No. of Shirts
    1
    1
    1
    1
    1
    2
    1
    1
    1
    2
    1
    3
    1
    1
    1
    2
  • (ii)
    Size
    21
    22
    25
    26
    28
    29
    30
    32
    35
    36
    37
    38
    39
    40
    No. of Shirts
    1
    1
    1
    1
    1
    1
    1
    2
    1
    1
    2
    2
    4
    2
  • (iii)
    Size
    20
    23
    24
    25
    26
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    No. of Shirts
    1
    1
    2
    1
    2
    1
    1
    2
    2
    1
    1
    1
    1
    2
    1
    1
  • (iv)
    Size
    20
    23
    24
    25
    26
    28
    29
    30
    31
    33
    34
    35
    36
    37
    38
    No. of Shirts
    1
    1
    3
    1
    2
    1
    1
    2
    2
    1
    1
    1
    2
    1
    1
Question 11
11.
Students of a certain locality use different modes of travel to school as given below. Find the mode of travel that has minimum students.
  • (i)
    School Van
  • (ii)
    Bicycle
  • (iii)
    School Bus
  • (iv)
    RTC Bus
  • (v)
    Scooter
Question 12
12.
    • Scores of 15 students are given below. Find the mode score.
      • 75
      • 75
      • 87
      • 81
      • 84
      • 89
      • 89
      • 74
      • 74
      • 89
      • 77
      • 71
      • 75
      • 84
      • 75
  • (i)
    76
  • (ii)
    77
  • (iii)
    75
  • (iv)
    73
  • (v)
    74
Question 13
13.
A survey of 100 men showed that only 30 of them know English. Out of these men, if one is selected at random, what is the probability that the selected man knows English?
  • (i)
    3

    10
  • (ii)
    1

    5
  • (iii)
    7

    10
  • (iv)
    4

    11
  • (v)
    2

    5
Question 14
14.
    • The scores obtained by 12 students in a test are given below. Find the median.
      • 2
      • 12
      • 20
      • 4
      • 2
      • 16
      • 13
      • 3
      • 20
      • 1
      • 1
      • 20
  • (i)
    19
  • (ii)
    9
    1

    2
  • (iii)
    20
  • (iv)
    1
  • (v)
    8
Question 15
15.
    • Rainfall of 12 days (in mm) are given below. Find the median rainfall.
      • 10
      • 10
      • 6
      • 13
      • 12
      • 11
      • 11
      • 11
      • 5
      • 15
      • 8
      • 6
  • (i)
    23

    2
    mm
  • (ii)
    21

    2
    mm
  • (iii)
    25

    2
    mm
  • (iv)
    11
    mm
Question 16
16.
The air distance of some cities from Delhi (in km) are given below. Find the city that has minimum distance.
  • (i)
    Gandhi Nagar
  • (ii)
    Bhopal
  • (iii)
    Nagpur
  • (iv)
    Kanpur
  • (v)
    Bubhaneshwar
Question 17
17.
    • Find the sum of frequencies for the given table
    • Value
      32
      34
      38
      43
      60
      62
      67
      78
      89
      Frequency
      1
      1
      1
      1
      2
      1
      1
      1
      1
  • (i)
    8
  • (ii)
    13
  • (iii)
    10
  • (iv)
    9
  • (v)
    11
Question 18
18.
Given below is the column-graph showing heights of some mountain peaks. Find the mountain that has maximum height.
  • (i)
    Kanchenjunga
  • (ii)
    Nanda Devi
  • (iii)
    Mount Everest
  • (iv)
    Annapurna
  • (v)
    Alps
Question 19
19.
Find the median of all prime numbers between 50 and 100.
  • (i)
    73
  • (ii)
    69
  • (iii)
    71
  • (iv)
    72
  • (v)
    74
Question 20
20.
    • Temperatures of 10 days (in °C) are given below. Find the mean temperature.
      • 30
      • 34
      • 28
      • 26
      • 25
      • 26
      • 34
      • 32
      • 30
      • 27
  • (i)
    151

    5
    °C
  • (ii)
    146

    5
    °C
  • (iii)
    148

    5
    °C
  • (iv)
    147

    5
    °C
  • (v)
    156

    5
    °C
Question 21
21.
The air distance of some cities from Delhi (in km) are given below. Find the city that has 1158 km distance.
  • (i)
    Lucknow
  • (ii)
    Bubhaneshwar
  • (iii)
    Bangalore
  • (iv)
    Kanpur
  • (v)
    Kochi
Question 22
22.
Marks obtained by two students Bali and Sangeeta in diferent subjects are shown in the bar graph. Identify the table for the given bar diagram.
  • (i)
    Subjects
    English
    Mathematics
    Science
    Physics
    Bali
    66
    63
    84
    66
    Sangeeta
    74
    66
    84
    55
  • (ii)
    Subjects
    English
    Mathematics
    Science
    Physics
    Bali
    74
    63
    76
    66
    Sangeeta
    74
    66
    76
    55
  • (iii)
    Subjects
    English
    Mathematics
    Science
    Physics
    Bali
    74
    66
    84
    61
    Sangeeta
    74
    63
    84
    72
  • (iv)
    Subjects
    English
    Mathematics
    Science
    Physics
    Bali
    74
    63
    84
    66
    Sangeeta
    74
    73
    84
    55
  • (v)
    Subjects
    English
    Mathematics
    Science
    Physics
    Bali
    74
    63
    84
    66
    Sangeeta
    74
    66
    84
    55
Question 23
23.
Find the mean of first 8 multiples of 17.
  • (i)
    151

    2
  • (ii)
    155

    2
  • (iii)
    153

    2
  • (iv)
    305

    4
  • (v)
    77
Question 24
24.
A die is thrown 90 times. Prime numbers appeared on the upper face 35 times. If a die is thrown at random, what is the probability of getting a prime number?
  • (i)
    4

    9
  • (ii)
    8

    19
  • (iii)
    11

    18
  • (iv)
    7

    18
  • (v)
    1

    3
Question 25
25.
    • On a particular day, at a crossing in a city, the various types of 95 vehicles going past during a time-interval were observed as under:
    • Type of Vehicle
      Two-wheeler
      Four-wheeler
      Three-wheeler
      Frequency
      25
      30
      40
    • Out of these vehicles, if one is choosen at random, what is the probability that the choosen vehicle is a 'Four-wheeler' ?
  • (i)
    7

    20
  • (ii)
    13

    19
  • (iii)
    7

    19
  • (iv)
    6

    19
  • (v)
    5

    19
    Assignment Key

  •  1) (i)
  •  2) (iv)
  •  3) (iii)
  •  4) (iii)
  •  5) (v)
  •  6) (i)
  •  7) (i)
  •  8) (i)
  •  9) (v)
  •  10) (iii)
  •  11) (iv)
  •  12) (iii)
  •  13) (i)
  •  14) (v)
  •  15) (ii)
  •  16) (iv)
  •  17) (iii)
  •  18) (i)
  •  19) (iv)
  •  20) (ii)
  •  21) (iv)
  •  22) (v)
  •  23) (iii)
  •  24) (iv)
  •  25) (iv)