CBSE Board Practice

CBSE Grade VIII - Rational Numbers
Question 1
1.
    • 17
    • ÷
    • 13

      16
    • = ______
  • 272

    15
  • 270

    13
  • 272

    11
  • 272

    13
  • 274

    13
Question 2
2.
    • Find the position of the rational number
    • (
      -11

      3
      )
    • on the number line
  • E
  • S
  • F
  • Q
  • P
Question 3
3.
Find the sum of the rational numbers at the points labelled with letters D and E
  • (
    -59

    5
    )
  • (
    -63

    5
    )
  • (
    -85

    7
    )
  • (
    -61

    5
    )
  • (
    -37

    3
    )
Question 4
4.
Which of the following are true?
a)
real numbers are closed under addition
b)
real numbers are closed under multiplication
c)
real numbers are closed under subtraction
d)
real numbers are closed under division
  • {d,a}
  • {d,b}
  • {d,c}
  • {a,b,c}
  • {d,a,b}
Question 5
5.
    • Find the missing value in
    • 8

      16
    • ÷
    • ______ =
    • 17

      14
  • 7

    17
  • 7

    15
  • 7

    19
  • 5

    17
  • 9

    17
Question 6
6.
Find the product of the rational numbers at the points labelled with letters R and S
  • 494

    25
  • 98

    5
  • 492

    25
  • 454

    23
  • 530

    27
Question 7
7.
Find the position of the decimal number 5.9 on the number line
  • I
  • P
  • D
  • R
  • L
Question 8
8.
    • Which of the following decimal numbers lie between
    • 6823.3939
    • and
    • 6823.3940
    • ?
  • 6823.39387
  • 6823.39405
  • 682.33939
  • 68233.9395
  • 6823.39395
Question 9
9.
    • 9

      5
    • 9
    • = ______
  • 81

    5
  • 83

    5
  • 79

    5
  • 27
  • 81

    7
Question 10
10.
    • The reciprocal of
    • 8

      9
    • is
  • 9

    8
  • 1

    8
  • 3
    1

    8
  • 2
    1

    8
  • (
    -7

    8
    )