ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Average
Question 1
1.
    • Temperatures of 30 days are given below. Find the mean.
    • Temperature (in degree C)
      25
      27
      29
      30
      31
      32
      33
      34
      No. of days
      4
      3
      3
      1
      3
      6
      4
      6
  • 92
    3
    °C
  • 307
    10
    °C
  • 979
    30
    °C
  • 919
    30
    °C
  • 949
    30
    °C
Question 2
2.
Find the mean of the first 15 even numbers.
  • 16
  • 18
  • 14
  • 15
  • 17
Question 3
3.
    • Given the mean of
    • 12
    • samples as
    • 12
      1
      4
    • ,
    • what is the mean if a sample value is
    • increased
    • by
    • 19
    • ?
  • 57
    4
  • 109
    8
  • 85
    6
  • 83
    6
  • 27
    2
Question 4
4.
Find the mean of all prime numbers between 10 and 100.
  • 151
    3
  • 149
    3
  • 51
  • 247
    5
  • 49
Question 5
5.
    • The mean of
    • 8
    • numbers is
    • 7
    • .
    • Upon
    • excluding
    • one number,
    • the mean becomes
    • 6
      6
      7
    • .
    • Find the
    • excluded
    • number.
  • 7
  • 11
  • 9
  • 8
  • 6
Question 6
6.
    • The arithmetic mean of
      • 1
      • 32
      • 16
      • 35
      • 44
      • 7
      • 16
      • 23
    • is
  • 22.75
  • 20.75
  • 19.75
  • 21.75
  • 23.75
Question 7
7.
    • Given the mean of
    • 10
    • samples as
    • 5
      3
      5
    • ,
    • what is the new mean if two samples
    • 6
    • and
    • 3
    • are added ?
  • 21
    4
  • 65
    12
  • 75
    14
  • 11
    2
  • 67
    12
Question 8
8.
Find the mean of first 9 multiples of 13.
  • 67
  • 63
  • 65
  • 66
  • 64
Question 9
9.
    • If the mean of
    • 4
    • samples is
    • 22
      1
      2
    • ,
    • what is the new mean if
    • 3
    • is subtracted from each number.
  • 20
  • 37
    2
  • 77
    4
  • 39
    2
  • 41
    2
Question 10
10.
    • Given the mean of
    • 13
    • samples as
    • 6
      9
      13
    • ,
    • what is the mean if a sample value is
    • decreased
    • by
    • 15
    • ?
  • 82
    15
  • 72
    13
  • 62
    11
  • 74
    13
  • 70
    13