CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade VIII - Rational Numbers
Question 1
1.
The decimal number 0.085 lies between
  • {0.095,0.105}
  • {0.083,0.084}
  • {0.086,0.087}
  • {0.065,0.075}
  • {0.075,0.095}
Question 2
2.
Find the difference between the values of numbers at point A and B
  • 4
    17
  • 4
    15
  • 4
    13
  • 2
    5
  • 2
    15
Question 3
3.
Which of the following are true?
a)
integers are closed under subtraction
b)
integers are closed under addition
c)
integers are closed under multiplication
d)
integers are closed under division
  • {d,a,b}
  • {d,c}
  • {a,b,c}
  • {d,b}
  • {d,a}
Question 4
4.
The decimal number 138.70 lies between
  • {136,137}
  • {139,140}
  • {138,139}
  • {137,138}
  • {140,141}
Question 5
5.
    • 13
      10
    • ✕
    • 14
    • = ______
  • 91
    5
  • 13
  • 91
    3
  • 89
    5
  • 93
    5
Question 6
6.
    • 2
    • ✕
    • 2
      4
    • = ______
  • -1
  • 1
  • 2
  • 0
  • 3
Question 7
7.
The decimal number 1.783 lies between
  • {-1,0}
  • {0,1}
  • {2,3}
  • {3,4}
  • {1,2}
Question 8
8.
Find the sum of the decimal numbers at the points labelled with letters V and W
  • 16.4
  • 15.6
  • 16.1
  • 16.2
  • 15.8
Question 9
9.
Which of the following are true?
a)
14
17
✕
(
23
6
+
3
17
)
=
(
14
17
✕
23
6
)
+
(
14
17
✕
3
17
)
b)
14
17
✕
(
47
10
−
15
7
)
=
(
14
17
✕
47
10
)
−
(
14
17
✕
15
7
)
c)
19
8
÷
(
23
6
+
4
5
)
=
(
19
8
÷
23
6
)
+
(
19
8
÷
4
5
)
d)
19
8
−
(
47
10
✕
5
7
)
=
(
19
8
−
47
10
)
✕
(
19
8
−
5
7
)
  • {a,b}
  • {c,b,a}
  • {d,b}
  • {c,a}
  • {c,d,a}
Question 10
10.
The decimal number 0.074 lies between
  • {-2,-1}
  • {0,1}
  • {1,2}
  • {-1,0}
  • {2,3}