ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Average
Question 1
1.
    • The mean of
    • 7
    • numbers is
    • 12
      2
      7
    • .
    • Upon
    • adding
    • one number,
    • the mean becomes
    • 11
      1
      8
    • .
    • Find the
    • included
    • number.
  • 1
  • 6
  • 4
  • 2
  • 3
Question 2
2.
    • The arithmetic mean of
      • 43
      • 46
      • 6
      • 13
      • 8
      • 41
      • 12
    • is
  • 23.14
  • 24.14
  • 25.14
  • 26.14
  • 22.14
Question 3
3.
    • Given the mean of
    • 9
    • samples as
    • 9
      8
      9
    • ,
    • what is the mean if a sample value is
    • increased
    • by
    • 19
    • ?
  • 12
  • 15
  • 11
  • 13
  • 10
Question 4
4.
    • If the mean of
    • 6
    • samples is
    • 32
      1
      6
    • ,
    • what is the new mean if
    • 7
    • is subtracted from each number.
  • 149
    6
  • 201
    8
  • 151
    6
  • 51
    2
  • 101
    4
Question 5
5.
    • Temperatures of 15 days are given below. Find the mean.
    • Temperature (in degree C)
      25
      26
      27
      28
      30
      32
      33
      34
      35
      No. of days
      2
      4
      1
      2
      1
      1
      1
      2
      1
  • 29
    °C
  • 27
    °C
  • 28
    °C
  • 30
    °C
  • 31
    °C
Question 6
6.
    • The mean of
    • 8
    • numbers is
    • 7
      1
      2
    • .
    • Upon
    • excluding
    • one number,
    • the mean becomes
    • 6
      1
      7
    • .
    • Find the
    • excluded
    • number.
  • 16
  • 17
  • 19
  • 18
  • 14
Question 7
7.
Find the mean of the first 20 even numbers.
  • 22
  • 23
  • 20
  • 18
  • 21
Question 8
8.
    • If the mean of
    • 6
    • samples is
    • 22
      1
      6
    • ,
    • what is the new mean if
    • 6
    • is added to each number.
  • 225
    8
  • 169
    6
  • 113
    4
  • 57
    2
  • 167
    6
Question 9
9.
    • Given the mean of
    • 10
    • samples as
    • 4
      3
      5
    • ,
    • what is the new mean if two samples
    • 3
    • and
    • 4
    • are added ?
  • 9
    2
  • 55
    12
  • 53
    12
  • 17
    4
  • 61
    14
Question 10
10.
    • Given the mean of
    • 14
    • samples as
    • 11
      3
      14
    • ,
    • what is the mean if a sample value is
    • decreased
    • by
    • 18
    • ?
  • 137
    14
  • 121
    12
  • 157
    16
  • 139
    14
  • 141
    14