EduSahara™ Assignment
Name : Operations on Rational Numbers
Chapter : Rational Numbers
Grade : CBSE Grade VII
License : Non Commercial Use
Question
1
1.
1
3
+
13
= ______
(i)
38
3
(ii)
8
(iii)
40
3
(iv)
14
(v)
40
Question
2
2.
11
5
9
−
11
= ______
(i)
5
11
(ii)
7
9
(iii)
1
3
(iv)
5
9
(v)
5
7
Question
3
3.
10
16
✕
8
= ______
(i)
3
(ii)
6
(iii)
8
(iv)
5
(v)
4
Question
4
4.
1
6
÷
6
= ______
(i)
1
36
(ii)
1
38
(iii)
1
12
(iv)
1
34
(v)
(
-1
36
)
Question
5
5.
13
6
+
18
= ______
(i)
121
6
(ii)
121
4
(iii)
121
8
(iv)
119
6
(v)
41
2
Question
6
6.
237
11
−
20
= ______
(i)
17
11
(ii)
15
11
(iii)
17
9
(iv)
17
13
(v)
19
11
Question
7
7.
14
11
✕
18
= ______
(i)
28
(ii)
254
11
(iii)
250
11
(iv)
252
13
(v)
252
11
Question
8
8.
7
1
÷
11
= ______
(i)
7
11
(ii)
9
11
(iii)
7
13
(iv)
5
11
(v)
7
9
Question
9
9.
8
+
9
13
= ______
(i)
113
11
(ii)
115
13
(iii)
113
13
(iv)
111
13
(v)
113
15
Question
10
10.
7
−
1
2
= ______
(i)
11
2
(ii)
13
2
(iii)
13
(iv)
15
2
(v)
13
4
Question
11
11.
6
✕
1
9
= ______
(i)
0
(ii)
2
(iii)
2
5
(iv)
2
3
(v)
4
3
Question
12
12.
3
÷
4
7
= ______
(i)
21
4
(ii)
7
2
(iii)
21
2
(iv)
19
4
(v)
23
4
Question
13
13.
3
+
12
7
= ______
(i)
5
(ii)
33
7
(iii)
11
3
(iv)
33
5
(v)
31
7
Question
14
14.
2
−
7
6
= ______
(i)
5
6
(ii)
5
8
(iii)
5
4
(iv)
1
2
(v)
7
6
Question
15
15.
13
✕
9
2
= ______
(i)
117
4
(ii)
117
2
(iii)
117
(iv)
115
2
(v)
119
2
Question
16
16.
15
÷
18
13
= ______
(i)
65
6
(ii)
65
8
(iii)
65
4
(iv)
67
6
(v)
21
2
Question
17
17.
The additive inverse of
(
-8
5
)
is
(i)
3
5
(ii)
0
(iii)
8
5
(iv)
5
8
(v)
5
-8
Question
18
18.
The multiplicative inverse of
(
-8
7
)
is
(i)
(
-7
8
)
(ii)
(
-1
7
8
)
(iii)
1
1
8
(iv)
(
-2
7
8
)
(v)
1
8
Question
19
19.
Find the missing value in
5
13
+
______ =
58
117
(i)
0
(ii)
1
9
(iii)
1
8
(iv)
1
10
(v)
2
9
Question
20
20.
Find the missing value in
6
13
−
______ =
5
39
(i)
1
3
(ii)
3
11
(iii)
3
7
(iv)
1
9
(v)
5
9
Question
21
21.
Find the missing value in
4
5
✕
______ =
8
75
(i)
2
13
(ii)
0
(iii)
4
15
(iv)
2
17
(v)
2
15
Question
22
22.
Find the missing value in
3
7
÷
______ =
4
7
(i)
5
4
(ii)
3
2
(iii)
1
2
(iv)
1
4
(v)
3
4
Question
23
23.
Find the missing value in
17
11
+
______ =
261
55
(i)
16
5
(ii)
16
7
(iii)
18
5
(iv)
16
3
(v)
14
5
Question
24
24.
Find the missing value in
15
4
−
______ =
25
28
(i)
22
7
(ii)
18
7
(iii)
20
9
(iv)
4
(v)
20
7
Question
25
25.
Find the missing value in
17
13
✕
______ =
204
91
(i)
10
7
(ii)
4
3
(iii)
12
5
(iv)
12
7
(v)
2
Question
26
26.
Find the missing value in
10
3
÷
______ =
140
51
(i)
17
12
(ii)
19
14
(iii)
17
14
(iv)
17
16
(v)
15
14
Question
27
27.
Which of the following is true?
(i)
2
4
÷
1
4
=
1
8
(ii)
1
3
✕
2
11
=
1
5
6
(iii)
4
6
✕
3
8
=
1
7
9
(iv)
3
4
+
1
8
=
7
8
(v)
6
8
÷
5
7
=
15
28
Question
28
28.
Which of the following is true?
(i)
13
3
−
15
14
=
5
17
42
(ii)
22
17
÷
11
9
=
1
1
17
(iii)
29
4
✕
29
7
=
1
3
4
(iv)
26
19
÷
7
6
=
1
34
57
(v)
17
4
+
14
13
=
3
9
52
Question
29
29.
Find the missing value in
8
1
6
+
______ =
20
5
18
(i)
12
1
9
(ii)
12
1
7
(iii)
12
1
3
(iv)
11
8
9
(v)
12
1
11
Question
30
30.
Find the missing value in
19
5
14
−
______ =
1
23
182
(i)
18
5
13
(ii)
18
1
13
(iii)
18
3
11
(iv)
18
3
13
(v)
18
1
5
Question
31
31.
Find the missing value in
8
3
17
✕
______ =
117
10
51
(i)
14
1
5
(ii)
15
(iii)
14
1
3
(iv)
13
2
3
Question
32
32.
Find the missing value in
7
9
11
÷
______ =
1
53
979
(i)
7
5
12
(ii)
7
7
12
(iii)
7
1
2
(iv)
7
5
14
(v)
7
1
4
Question
33
33.
7
3
16
+
4
= ______
(i)
177
16
(ii)
179
18
(iii)
179
16
(iv)
179
14
(v)
181
16
Question
34
34.
7
13
14
−
4
= ______
(i)
57
14
(ii)
55
14
(iii)
53
14
(iv)
55
12
(v)
55
16
Question
35
35.
9
3
10
✕
10
= ______
(i)
95
(ii)
93
(iii)
91
(iv)
92
(v)
94
Question
36
36.
11
1
5
÷
6
= ______
(i)
2
(ii)
28
15
(iii)
28
17
(iv)
26
15
(v)
28
13
Question
37
37.
12
+
9
11
15
= ______
(i)
326
17
(ii)
326
13
(iii)
326
15
(iv)
328
15
(v)
108
5
Question
38
38.
19
−
14
1
3
= ______
(i)
14
(ii)
4
(iii)
14
3
(iv)
16
3
(v)
14
5
Question
39
39.
9
✕
1
5
16
= ______
(i)
21
2
(ii)
191
16
(iii)
27
2
(iv)
189
16
(v)
187
16
Question
40
40.
19
÷
6
1
4
= ______
(i)
74
25
(ii)
76
27
(iii)
76
23
(iv)
76
25
(v)
78
25
Assignment Key
1) (iii)
2) (iv)
3) (iv)
4) (i)
5) (i)
6) (i)
7) (v)
8) (i)
9) (iii)
10) (ii)
11) (iv)
12) (i)
13) (ii)
14) (i)
15) (ii)
16) (i)
17) (iii)
18) (i)
19) (ii)
20) (i)
21) (v)
22) (v)
23) (i)
24) (v)
25) (iv)
26) (iii)
27) (iv)
28) (ii)
29) (i)
30) (iv)
31) (iii)
32) (i)
33) (iii)
34) (ii)
35) (ii)
36) (ii)
37) (iii)
38) (iii)
39) (iv)
40) (iv)
