CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VIII - Rational Numbers
Question 1
1.
The decimal number 737.64 lies between
  • {739,740}
  • {735,736}
  • {736,737}
  • {738,739}
  • {737,738}
Question 2
2.
Which of the following are true?
a)
9
8
÷
(
128
15
+
14
3
)
=
(
9
8
÷
128
15
)
+
(
9
8
÷
14
3
)
b)
3
20
✕
(
121
20
−
13
20
)
=
(
3
20
✕
121
20
)
−
(
3
20
✕
13
20
)
c)
3
20
✕
(
128
15
+
11
19
)
=
(
3
20
✕
128
15
)
+
(
3
20
✕
11
19
)
d)
9
8
−
(
121
20
✕
17
9
)
=
(
9
8
−
121
20
)
✕
(
9
8
−
17
9
)
  • {a,b}
  • {a,d,b}
  • {a,c,b}
  • {b,c}
  • {d,c}
Question 3
3.
Which of the following is true?
  • 15
    16
    <
    13
    20
  • 8
    16
    <
    2
    19
  • 13
    17
    <
    9
    14
  • 1
    4
    >
    9
    11
  • 14
    15
    >
    7
    18
Question 4
4.
    • 6
      10
    • ✕
    • 17
    • = ______
  • 51
    5
  • 53
    5
  • 51
    7
  • 49
    5
  • 17
Question 5
5.
    • 16
      9
      10
    • −
    • 16
    • = ______
  • 9
    8
  • 9
    10
  • 3
    4
  • 11
    10
  • 7
    10
Question 6
6.
    • 11
      10
    • ✕
    • 15
    • = ______
  • 33
    4
  • 35
    2
  • 33
  • 33
    2
  • 31
    2
Question 7
7.
Find the sum of the rational numbers at the points labelled with letters E and F
  • 52
    7
  • 36
    5
  • 38
    5
  • 8
Question 8
8.
    • Find the position of the rational number
    • 26
      9
    • on the number line
  • G
  • F
  • E
  • P
  • N
Question 9
9.
Which of the following are true?
a)
16
÷
(
11
÷
17
)
=
(
16
÷
11
)
÷
17
b)
2
−
(
16
−
11
)
=
(
2
−
16
)
−
11
c)
11
✕
(
17
✕
2
)
=
(
11
✕
17
)
✕
2
d)
17
+
(
2
+
16
)
=
(
17
+
2
)
+
16
  • {a,d,c}
  • {a,c}
  • {a,b,c}
  • {b,d}
  • {c,d}
Question 10
10.
    • 144
      11
    • −
    • 12
    • = ______
  • 12
    13
  • 14
    11
  • 4
    3
  • 10
    11
  • 12
    11