ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Average
Question 1
1.
    • Given the mean of
    • 6
    • samples as
    • 13
      1
      2
    • ,
    • what is the mean if a sample value is
    • decreased
    • by
    • 15
    • ?
  • 10
  • 12
  • 8
  • 14
  • 11
Question 2
2.
    • If the mean of
    • 7
    • samples is
    • 17
      4
      7
    • ,
    • what is the new mean if
    • 9
    • is added to each number.
  • 134
    5
  • 238
    9
  • 186
    7
  • 184
    7
  • 188
    7
Question 3
3.
Find the mean of all prime numbers between 50 and 80.
  • 461
    7
  • 331
    5
  • 463
    7
  • 595
    9
  • 465
    7
Question 4
4.
Find the mean of the first 10 odd numbers.
  • 10
  • 11
  • 8
  • 9
  • 12
Question 5
5.
    • Given the mean of
    • 9
    • samples as
    • 10
      1
      3
    • ,
    • what is the mean if a sample value is
    • increased
    • by
    • 12
    • ?
  • 35
    3
  • 37
    3
  • 13
  • 57
    5
  • 11
Question 6
6.
Find the mean of first 7 multiples of 17.
  • 69
  • 68
  • 71
  • 67
  • 65
Question 7
7.
Find the mean of first 5 multiples of 18.
  • 51
  • 53
  • 56
  • 54
  • 55
Question 8
8.
    • The mean of
    • 7
    • numbers is
    • 14
    • .
    • Upon
    • excluding
    • one number,
    • the mean becomes
    • 13
      5
      6
    • .
    • Find the
    • excluded
    • number.
  • 18
  • 16
  • 13
  • 15
  • 14
Question 9
9.
    • The mean of
    • 8
    • numbers is
    • 9
    • .
    • Upon
    • adding
    • one number,
    • the mean becomes
    • 9
      1
      3
    • .
    • Find the
    • included
    • number.
  • 11
  • 14
  • 12
  • 10
  • 13
Question 10
10.
Find the mean of the first 20 even numbers.
  • 20
  • 22
  • 19
  • 24
  • 21