EduSahara™ Assignment
Name : Operations on Rational Numbers
Chapter : Rational Numbers
Grade : CBSE Grade VII
License : Non Commercial Use
Question
1
1.
8
13
+
5
= ______
(i)
73
11
(ii)
71
13
(iii)
75
13
(iv)
73
13
(v)
73
15
Question
2
2.
20
1
9
−
20
= ______
(i)
1
9
(ii)
(
-1
9
)
(iii)
1
3
(iv)
1
7
(v)
1
11
Question
3
3.
12
16
✕
9
= ______
(i)
9
2
(ii)
29
4
(iii)
27
2
(iv)
27
4
(v)
25
4
Question
4
4.
13
14
÷
9
= ______
(i)
13
124
(ii)
13
128
(iii)
11
126
(iv)
5
42
(v)
13
126
Question
5
5.
7
5
+
15
= ______
(i)
82
7
(ii)
16
(iii)
82
5
(iv)
82
3
(v)
84
5
Question
6
6.
47
9
−
3
= ______
(i)
20
11
(ii)
22
9
(iii)
20
9
(iv)
2
(v)
20
7
Question
7
7.
7
1
✕
4
= ______
(i)
29
(ii)
25
(iii)
27
(iv)
30
(v)
28
Question
8
8.
13
4
÷
10
= ______
(i)
13
38
(ii)
13
40
(iii)
11
40
(iv)
13
42
(v)
3
8
Question
9
9.
9
+
9
10
= ______
(i)
101
10
(ii)
99
8
(iii)
33
4
(iv)
97
10
(v)
99
10
Question
10
10.
19
−
1
8
= ______
(i)
151
8
(ii)
151
6
(iii)
151
10
(iv)
149
8
(v)
153
8
Question
11
11.
20
✕
5
14
= ______
(i)
10
(ii)
50
9
(iii)
52
7
(iv)
48
7
(v)
50
7
Question
12
12.
14
÷
1
3
= ______
(i)
43
(ii)
45
(iii)
41
(iv)
42
(v)
39
Question
13
13.
7
+
5
2
= ______
(i)
21
2
(ii)
19
4
(iii)
17
2
(iv)
19
(v)
19
2
Question
14
14.
15
−
19
2
= ______
(i)
11
2
(ii)
13
2
(iii)
11
(iv)
11
4
(v)
9
2
Question
15
15.
6
✕
16
3
= ______
(i)
32
(ii)
33
(iii)
31
(iv)
35
(v)
30
Question
16
16.
18
÷
16
7
= ______
(i)
61
8
(ii)
63
10
(iii)
21
2
(iv)
65
8
(v)
63
8
Question
17
17.
The additive inverse of
8
5
is
(i)
(
-8
5
)
(ii)
(
-2
3
5
)
(iii)
5
8
(iv)
0
(v)
5
-8
Question
18
18.
The multiplicative inverse of
(
-2
9
)
is
(i)
(
-5
1
2
)
(ii)
(
-6
1
2
)
(iii)
(
-9
2
)
(iv)
(
-3
1
2
)
(v)
(
-2
1
2
)
Question
19
19.
Find the missing value in
7
11
+
______ =
203
198
(i)
5
18
(ii)
1
2
(iii)
7
18
(iv)
7
20
(v)
7
16
Question
20
20.
Find the missing value in
2
4
−
______ =
1
22
(i)
5
13
(ii)
3
11
(iii)
7
11
(iv)
5
9
(v)
5
11
Question
21
21.
Find the missing value in
3
6
✕
______ =
2
5
(i)
1
(ii)
3
5
(iii)
4
5
(iv)
2
3
Question
22
22.
Find the missing value in
2
5
÷
______ =
8
15
(i)
1
2
(ii)
3
4
(iii)
3
2
(iv)
1
4
(v)
5
4
Question
23
23.
Find the missing value in
19
8
+
______ =
293
56
(i)
20
9
(ii)
4
(iii)
22
7
(iv)
18
7
(v)
20
7
Question
24
24.
Find the missing value in
7
4
−
______ =
3
20
(i)
6
5
(ii)
8
3
(iii)
2
(iv)
8
7
(v)
8
5
Question
25
25.
Find the missing value in
19
6
✕
______ =
361
42
(i)
17
7
(ii)
3
(iii)
19
5
(iv)
19
7
(v)
19
9
Question
26
26.
Find the missing value in
17
9
÷
______ =
85
81
(i)
9
5
(ii)
3
(iii)
7
5
(iv)
9
7
(v)
11
5
Question
27
27.
Which of the following is true?
(i)
6
7
−
2
3
=
32
21
(ii)
10
11
✕
10
19
=
1
8
11
(iii)
10
17
−
1
16
=
177
272
(iv)
6
9
+
2
7
=
8
21
(v)
5
19
÷
1
14
=
3
13
19
Question
28
28.
Which of the following is true?
(i)
9
2
−
40
19
=
6
23
38
(ii)
14
5
+
13
10
=
1
1
2
(iii)
19
4
+
20
7
=
7
17
28
(iv)
28
5
−
25
7
=
9
6
35
(v)
36
5
+
20
11
=
5
21
55
Question
29
29.
Find the missing value in
9
3
8
+
______ =
24
103
104
(i)
15
10
13
(ii)
15
6
13
(iii)
15
8
13
(iv)
15
8
15
(v)
15
8
11
Question
30
30.
Find the missing value in
16
5
11
−
______ =
47
176
(i)
16
3
14
(ii)
16
1
16
(iii)
16
5
16
(iv)
16
1
6
(v)
16
3
16
Question
31
31.
Find the missing value in
8
11
13
✕
______ =
158
61
143
(i)
18
1
11
(ii)
18
1
9
(iii)
17
10
11
(iv)
17
10
13
(v)
17
8
11
Question
32
32.
Find the missing value in
14
9
20
÷
______ =
4
433
1120
(i)
3
5
19
(ii)
3
1
3
(iii)
3
7
17
(iv)
3
3
17
(v)
3
5
17
Question
33
33.
6
1
6
+
11
= ______
(i)
103
4
(ii)
103
6
(iii)
103
8
(iv)
35
2
(v)
101
6
Question
34
34.
22
2
13
−
19
= ______
(i)
41
13
(ii)
43
13
(iii)
41
11
(iv)
41
15
(v)
3
Question
35
35.
3
5
6
✕
14
= ______
(i)
163
3
(ii)
161
3
(iii)
161
5
(iv)
161
(v)
53
Question
36
36.
6
2
9
÷
7
= ______
(i)
8
9
(ii)
2
3
(iii)
8
11
(iv)
10
9
(v)
8
7
Question
37
37.
2
+
5
11
14
= ______
(i)
109
14
(ii)
107
14
(iii)
109
16
(iv)
109
12
(v)
111
14
Question
38
38.
20
−
5
3
7
= ______
(i)
102
7
(ii)
100
7
(iii)
34
3
(iv)
102
5
(v)
104
7
Question
39
39.
4
✕
5
6
7
= ______
(i)
162
7
(ii)
164
5
(iii)
166
7
(iv)
164
7
(v)
164
9
Question
40
40.
15
÷
8
10
13
= ______
(i)
13
8
(ii)
65
38
(iii)
65
36
(iv)
63
38
(v)
67
38
Assignment Key
1) (iv)
2) (i)
3) (iv)
4) (v)
5) (iii)
6) (iii)
7) (v)
8) (ii)
9) (v)
10) (i)
11) (v)
12) (iv)
13) (v)
14) (i)
15) (i)
16) (v)
17) (i)
18) (iii)
19) (iii)
20) (v)
21) (iii)
22) (ii)
23) (v)
24) (v)
25) (iv)
26) (i)
27) (v)
28) (iii)
29) (iii)
30) (v)
31) (iii)
32) (v)
33) (ii)
34) (i)
35) (ii)
36) (i)
37) (i)
38) (i)
39) (iv)
40) (ii)
