ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade X - Measures of Central Tendency
Question 1
1.
Find the mean of the first 15 even numbers.
  • 17
  • 16
  • 18
  • 15
  • 13
Question 2
2.
    • Heights of 198 students (in cm) are given below. Calculate the mean height from the given histogram.
  • 142.25 cm
  • 155.25 cm
  • 141.25 cm
  • 167.25 cm
  • 180.25 cm
Question 3
3.
    • The marks obtained by 10 students in a test are given below. Find the mean of their marks when the marks of each student is increased by 7.
      • 45
      • 7
      • 18
      • 45
      • 13
      • 24
      • 17
      • 4
      • 42
      • 26
  • 309
    10
  • 311
    10
  • 249
    8
  • 313
    10
  • 373
    12
Question 4
4.
The histogram given below shows the number of illiterate persons of different age groups in a town. Using the data in the diagram, calculate the mean age
  • 32.60 years
  • 33.60 years
  • 30.60 years
  • 34.60 years
  • 31.60 years
Question 5
5.
    • Temperatures of 25 days are given below. Find the mean.
    • Temperature (in degree C)
      25
      28
      29
      30
      31
      32
      33
      34
      35
      No. of days
      3
      5
      4
      3
      3
      1
      2
      2
      2
  • 29
    °C
  • 31
    °C
  • 28
    °C
  • 32
    °C
  • 30
    °C
Question 6
6.
    • Heights of 198 plants (in cm) are given below. Calculate the mean height from the given histogram.
  • 78.09 cm
  • 73.09 cm
  • 76.09 cm
  • 70.09 cm
  • 68.09 cm
Question 7
7.
Find the mean of first 5 multiples of 19.
  • 58
  • 57
  • 56
  • 60
  • 54
Question 8
8.
    • Rainfall of 108 days (in mm) are given below. Calculate the mean rainfall from the given histogram.
  • 25.86 mm
  • 33.86 mm
  • 31.86 mm
  • 28.86 mm
  • 23.86 mm
Question 9
9.
    • The following table shows the weights of
    • 73
    • persons in a group.
    • Find the
    • mean weight.
    • Weight (in kg)
      20 - 30
      31 - 41
      42 - 52
      53 - 63
      64 - 74
      No. of persons
      11
      13
      14
      20
      15
  • 3597
    73
    kg
  • 3598
    73
    kg
  • 3669
    73
    kg
  • 3742
    73
    kg
  • 3596
    73
    kg
Question 10
10.
    • Weights of 10 students are given below. Find the mean.
    • Weight (in kg)
      40
      41
      42
      47
      48
      49
      56
      No. of students
      1
      2
      1
      1
      2
      1
      2
  • 234
    5
    kg
  • 47
    kg
  • 244
    5
    kg
  • 236
    5
    kg
  • 239
    5
    kg