ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade X - Median, Quartiles and Mode
Question 1
1.
    • Scores of 10 students are given below. Find the median.
    • Score
      70
      72
      81
      84
      86
      88
      No. of students
      2
      2
      2
      2
      1
      1
  • 80
  • 83
  • 79
  • 82
  • 81
Question 2
2.
Find the median of all the factors of 40.
  • 7
  • 13
    2
  • 25
    4
  • 11
    2
  • 15
    2
Question 3
3.
    • Weights of 31 students are given below. Find the mode.
    • Weight (in kg)
      40
      42
      43
      50
      51
      52
      54
      57
      58
      59
      No. of students
      3
      3
      1
      8
      2
      4
      2
      3
      2
      3
  • 49
    kg
  • 48
    kg
  • 52
    kg
  • 51
    kg
  • 50
    kg
Question 4
4.
    • Weights of 63 students (in kg) are shown in the given ogive.
    • Find the number of
    • students
    • whose weight is
    • more
    • than
    • 93 kg
  • 24
  • 22
  • 20
  • 25
  • 19
Question 5
5.
The following ogive shows the distribution of the heights of a group of factory workers. Estimate the lower quartile.
  • 155.75 cm
  • 158.25 cm
  • 157.00 cm
  • 160.75 cm
  • 159.50 cm
Question 6
6.
    • Heights of 63 students (in cm) are shown in the given ogive.
    • Find the number of
    • students
    • whose height is
    • more
    • than
    • 151 cm
  • 14
  • 9
  • 13
  • 11
  • 8
Question 7
7.
    • Rainfall of 13 days (in mm) are given below. Find the median rainfall.
      • 8
      • 6
      • 12
      • 15
      • 9
      • 15
      • 8
      • 15
      • 8
      • 5
      • 10
      • 15
      • 15
  • 12
    mm
  • 10
    mm
  • 9
    mm
  • 11
    mm
  • 8
    mm
Question 8
8.
    • The following table shows the weights of
    • 79
    • persons in a group.
    • Find the
    • median weight.
    • Weight (in kg)
      50 - 55
      55 - 60
      60 - 65
      65 - 70
      70 - 75
      75 - 80
      No. of persons
      12
      7
      20
      17
      17
      6
  • 2249
    34
    kg
  • 2283
    34
    kg
  • 1108
    17
    kg
  • 2217
    34
    kg
  • 2215
    34
    kg
Question 9
9.
Find the Mode when Median is 34 and Mean is 27.
  • 49
  • 46
  • 50
  • 48
  • 47
Question 10
10.
    • A frequency distribution table is given below.
    • Find the
    • mode .
    • Class-Interval
      18 - 27
      28 - 37
      38 - 47
      48 - 57
      58 - 67
      68 - 77
      Frequency
      32
      18
      22
      23
      30
      30
  • 49
    2
  • 1217
    46
  • 563
    23
  • 1125
    46
  • 1171
    46