EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Rational Numbers
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
The multiplicative inverse of
(
-5
8
)
is
(i)
(
-3
3
5
)
(ii)
(
-3
5
)
(iii)
(
-2
3
5
)
(iv)
(
-8
5
)
(v)
2
5
Question
2
2.
16
✕
11
13
= ______
(i)
178
13
(ii)
176
15
(iii)
16
(iv)
174
13
(v)
176
13
Question
3
3.
Find the rational number at the point labelled with letter E
(i)
(
-59
10
)
(ii)
(
-59
6
)
(iii)
(
-57
8
)
(iv)
(
-59
8
)
(v)
(
-61
8
)
Question
4
4.
15
1
+
19
= ______
(i)
33
(ii)
32
(iii)
36
(iv)
35
(v)
34
Question
5
5.
The decimal number 997.83 lies between
(i)
{999,1000}
(ii)
{995,996}
(iii)
{996,997}
(iv)
{998,999}
(v)
{997,998}
Question
6
6.
The additive inverse of
(
-4
7
)
is
(i)
7
4
(ii)
7
-4
(iii)
0
(iv)
4
7
(v)
(
-3
7
)
Question
7
7.
13
10
÷
12
= ______
(i)
11
120
(ii)
13
120
(iii)
1
8
(iv)
13
118
(v)
13
122
Question
8
8.
The decimal number 0.983 lies between
(i)
{-1,0}
(ii)
{0,1}
(iii)
{-2,-1}
(iv)
{2,3}
(v)
{1,2}
Question
9
9.
Which of the following is true?
a)
18.5900
÷
(
16.3900
÷
8.0000
)
=
(
18.5900
÷
16.3900
)
÷
8.0000
b)
8.0000
+
(
17.8100
+
18.5900
)
=
(
8.0000
+
17.8100
)
+
18.5900
c)
17.8100
−
(
18.5900
−
16.3900
)
=
(
17.8100
−
18.5900
)
−
16.3900
d)
16.3900
✕
(
8.0000
✕
17.8100
)
=
(
16.3900
✕
8.0000
)
✕
17.8100
(i)
{c,d}
(ii)
{a,b}
(iii)
{a,d,b}
(iv)
{a,c,b}
(v)
{b,d}
Question
10
10.
Find the equation representing the following number line diagram
(i)
9
10
−
2
5
=
1
2
(ii)
4
5
+
1
10
=
9
10
(iii)
9
10
−
1
10
=
4
5
(iv)
11
10
−
1
10
=
1
(v)
1
1
+
3
10
=
1
3
10
Question
11
11.
11
9
✕
3
= ______
(i)
11
(ii)
11
3
(iii)
13
3
(iv)
3
(v)
11
5
Question
12
12.
Find the missing value in
15
4
÷
______ =
60
17
(i)
17
14
(ii)
15
16
(iii)
17
18
(iv)
17
16
(v)
19
16
Question
13
13.
Find the missing value in
11
10
+
______ =
86
35
(i)
19
14
(ii)
17
14
(iii)
19
16
(iv)
3
2
(v)
19
12
Question
14
14.
Which of the following is true?
a)
3.7600
−
(
16.2800
✕
19.0700
)
=
(
3.7600
−
16.2800
)
✕
(
3.7600
−
19.0700
)
b)
19.0700
✕
(
6.0200
+
3.7600
)
=
(
19.0700
✕
6.0200
)
+
(
19.0700
✕
3.7600
)
c)
6.0200
✕
(
3.7600
−
16.2800
)
=
(
6.0200
✕
3.7600
)
−
(
6.0200
✕
16.2800
)
d)
16.2800
÷
(
19.0700
+
6.0200
)
=
(
16.2800
÷
19.0700
)
+
(
16.2800
÷
6.0200
)
(i)
{d,c}
(ii)
{a,d,b}
(iii)
{b,c}
(iv)
{a,b}
(v)
{a,c,b}
Question
15
15.
20
+
13
6
= ______
(i)
131
6
(ii)
45
2
(iii)
133
8
(iv)
133
4
(v)
133
6
Question
16
16.
Find the rational number at the point labelled with letter K
(i)
9
(ii)
43
7
(iii)
43
3
(iv)
43
5
(v)
41
5
Question
17
17.
Which of the following decimal numbers lie between
632.4
and
632.5
?
(i)
63.25
(ii)
6324.62
(iii)
632.54
(iv)
632.31
(v)
632.46
Question
18
18.
10
1
2
−
10
= ______
(i)
1
(ii)
1
2
(iii)
1
4
(iv)
(
-1
2
)
(v)
3
2
Question
19
19.
Which of the following decimal numbers lie between
9580
and
9581
?
(i)
958.1
(ii)
9579.7
(iii)
9581.6
(iv)
95808.6
(v)
9580.9
Question
20
20.
Which of the following is true?
(i)
2
3
✕
5
9
=
10
27
(ii)
5
6
✕
7
10
=
1
4
21
(iii)
4
6
✕
1
7
=
4
2
3
(iv)
1
3
+
5
17
=
2
51
(v)
7
10
✕
1
4
=
2
4
5
Question
21
21.
6
÷
15
8
= ______
(i)
16
3
(ii)
16
5
(iii)
18
5
(iv)
16
7
(v)
14
5
Question
22
22.
1
÷
8
11
= ______
(i)
11
10
(ii)
13
8
(iii)
9
8
(iv)
11
8
(v)
11
6
Question
23
23.
8
✕
11
10
= ______
(i)
44
5
(ii)
44
3
(iii)
46
5
(iv)
44
7
(v)
42
5
Question
24
24.
Which of the following are true?
a)
real numbers are closed under subtraction
b)
real numbers are closed under multiplication
c)
real numbers are closed under division
d)
real numbers are closed under addition
(i)
{c,a,b}
(ii)
{c,a}
(iii)
{a,b,d}
(iv)
{c,b}
(v)
{c,d}
Question
25
25.
The decimal number 71.3 lies between
(i)
{69,70}
(ii)
{72,73}
(iii)
{73,74}
(iv)
{70,71}
(v)
{71,72}
Assignment Key
1) (iv)
2) (v)
3) (iv)
4) (v)
5) (v)
6) (iv)
7) (ii)
8) (ii)
9) (v)
10) (iii)
11) (ii)
12) (iv)
13) (i)
14) (iii)
15) (v)
16) (iv)
17) (v)
18) (ii)
19) (v)
20) (i)
21) (ii)
22) (iv)
23) (i)
24) (iii)
25) (v)
