ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Average
Question 1
1.
    • Temperatures of 10 days are given below. Find the mean.
    • Temperature (in degree C)
      25
      26
      28
      29
      31
      33
      34
      No. of days
      2
      1
      2
      1
      1
      2
      1
  • 148
    5
    °C
  • 151
    5
    °C
  • 156
    5
    °C
  • 147
    5
    °C
  • 146
    5
    °C
Question 2
2.
    • If the mean of
    • 8
    • samples is
    • 29
    • ,
    • what is the new mean if
    • 10
    • is added to each number.
  • 40
  • 37
  • 42
  • 38
  • 39
Question 3
3.
Find the mean of all prime numbers between 40 and 80.
  • 59
  • 179
    3
  • 415
    7
  • 297
    5
  • 299
    5
Question 4
4.
    • Given the mean of
    • 12
    • samples as
    • 7
      1
      4
    • ,
    • what is the new mean if two samples
    • 9
    • and
    • 10
    • are removed ?
  • 34
    5
  • 32
    5
  • 46
    7
  • 22
    3
  • 36
    5
Question 5
5.
    • If the mean of
    • 6
    • samples is
    • 14
      1
      2
    • ,
    • what is the new mean if
    • 6
    • is subtracted from each number.
  • 19
    2
  • 15
    2
  • 17
    2
  • 33
    4
  • 9
Question 6
6.
    • The mean of
    • 9
    • numbers is
    • 10
      8
      9
    • .
    • Upon
    • adding
    • one number,
    • the mean becomes
    • 10
      4
      5
    • .
    • Find the
    • included
    • number.
  • 9
  • 10
  • 11
  • 8
  • 12
Question 7
7.
    • The mean of
    • 5
    • numbers is
    • 11
      1
      5
    • .
    • Upon
    • excluding
    • one number,
    • the mean becomes
    • 12
    • .
    • Find the
    • excluded
    • number.
  • 8
  • 7
  • 5
  • 9
  • 11
Question 8
8.
Find the mean of first 7 multiples of 2.
  • 7
  • 11
  • 5
  • 8
  • 9
Question 9
9.
Find the mean of first 8 whole numbers.
  • 9
    2
  • 13
    4
  • 7
    2
  • 5
    2
  • 4
Question 10
10.
    • Given the mean of
    • 11
    • samples as
    • 11
      4
      11
    • ,
    • what is the mean if a sample value is
    • decreased
    • by
    • 15
    • ?
  • 7
  • 9
  • 10
  • 13
  • 11