ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Average
Question 1
1.
    • Given the mean of
    • 8
    • samples as
    • 8
      3
      8
    • ,
    • what is the mean if a sample value is
    • decreased
    • by
    • 14
    • ?
  • 53
    8
  • 13
    2
  • 41
    6
  • 51
    8
  • 55
    8
Question 2
2.
    • The mean of
    • 10
    • numbers is
    • 10
      3
      5
    • .
    • Upon
    • excluding
    • one number,
    • the mean becomes
    • 11
      1
      3
    • .
    • Find the
    • excluded
    • number.
  • 3
  • 6
  • 5
  • 4
  • 2
Question 3
3.
Find the mean of all prime numbers between 50 and 70.
  • 58
  • 59
  • 61
  • 60
  • 62
Question 4
4.
    • The mean of
    • 8
    • numbers is
    • 11
      1
      2
    • .
    • Upon
    • adding
    • one number,
    • the mean becomes
    • 10
      8
      9
    • .
    • Find the
    • included
    • number.
  • 6
  • 7
  • 9
  • 5
  • 4
Question 5
5.
    • If the mean of
    • 7
    • samples is
    • 29
      6
      7
    • ,
    • what is the new mean if each number is multiplied by
    • 7
    • .
  • 209
  • 207
  • 211
  • 210
  • 208
Question 6
6.
    • Given the mean of
    • 8
    • samples as
    • 13
      1
      4
    • ,
    • what is the mean if a sample value is
    • increased
    • by
    • 10
    • ?
  • 29
    2
  • 15
  • 57
    4
  • 27
    2
  • 31
    2
Question 7
7.
Find the mean of the first 20 even numbers.
  • 21
  • 23
  • 19
  • 22
  • 20
Question 8
8.
Find the mean of first 7 multiples of 19.
  • 77
  • 75
  • 78
  • 76
  • 74
Question 9
9.
Find the mean of the first 15 odd numbers.
  • 14
  • 12
  • 16
  • 15
  • 18
Question 10
10.
Find the mean of first 10 whole numbers.
  • 5
  • 9
    2
  • 7
    2
  • 17
    4
  • 11
    2