EduSahara™ Assignment
Name : Operations on Rational Numbers
Chapter : Rational Numbers
Grade : CBSE Grade VII
License : Non Commercial Use
Question
1
1.
4
9
+
15
= ______
(i)
47
3
(ii)
139
11
(iii)
137
9
(iv)
139
9
(v)
139
7
Question
2
2.
7
3
4
−
7
= ______
(i)
1
2
(ii)
3
2
(iii)
1
4
(iv)
3
4
(v)
5
4
Question
3
3.
1
3
✕
15
= ______
(i)
5
(ii)
6
(iii)
8
(iv)
4
(v)
2
Question
4
4.
6
12
÷
15
= ______
(i)
1
32
(ii)
1
28
(iii)
1
10
(iv)
(
-1
30
)
(v)
1
30
Question
5
5.
15
4
+
17
= ______
(i)
81
4
(ii)
83
4
(iii)
85
4
(iv)
83
6
(v)
83
2
Question
6
6.
18
−
2
= ______
(i)
17
(ii)
15
(iii)
16
(iv)
14
(v)
19
Question
7
7.
17
12
✕
14
= ______
(i)
119
4
(ii)
119
8
(iii)
121
6
(iv)
39
2
(v)
119
6
Question
8
8.
7
3
÷
4
= ______
(i)
7
10
(ii)
1
2
(iii)
5
12
(iv)
3
4
(v)
7
12
Question
9
9.
16
+
1
4
= ______
(i)
65
6
(ii)
65
2
(iii)
67
4
(iv)
65
4
(v)
63
4
Question
10
10.
15
−
1
10
= ______
(i)
151
10
(ii)
149
10
(iii)
149
12
(iv)
147
10
(v)
149
8
Question
11
11.
2
✕
5
7
= ______
(i)
10
7
(ii)
2
(iii)
8
7
(iv)
10
9
(v)
12
7
Question
12
12.
7
÷
2
4
= ______
(i)
13
(ii)
14
(iii)
17
(iv)
11
(v)
15
Question
13
13.
8
+
5
4
= ______
(i)
39
4
(ii)
35
4
(iii)
37
2
(iv)
37
4
(v)
37
6
Question
14
14.
3
−
14
11
= ______
(i)
21
11
(ii)
19
9
(iii)
17
11
(iv)
19
11
(v)
19
13
Question
15
15.
13
✕
11
9
= ______
(i)
143
9
(ii)
143
7
(iii)
13
(iv)
47
3
(v)
145
9
Question
16
16.
7
÷
16
1
= ______
(i)
9
16
(ii)
7
18
(iii)
7
16
(iv)
5
16
(v)
1
2
Question
17
17.
The additive inverse of
(
-3
2
)
is
(i)
2
-3
(ii)
3
2
(iii)
0
(iv)
2
3
(v)
1
2
Question
18
18.
The multiplicative inverse of
(
-6
5
)
is
(i)
(
-1
5
6
)
(ii)
(
-5
6
)
(iii)
1
6
(iv)
1
1
6
(v)
(
-2
5
6
)
Question
19
19.
Find the missing value in
6
9
+
______ =
19
24
(i)
1
6
(ii)
1
8
(iii)
3
8
(iv)
1
10
(v)
(
-1
8
)
Question
20
20.
Find the missing value in
10
11
−
______ =
86
143
(i)
4
13
(ii)
4
15
(iii)
6
13
(iv)
2
13
(v)
4
11
Question
21
21.
Find the missing value in
5
6
✕
______ =
1
3
(i)
2
7
(ii)
0
(iii)
2
5
(iv)
2
3
(v)
4
5
Question
22
22.
Find the missing value in
6
10
÷
______ =
3
2
(i)
6
13
(ii)
8
15
(iii)
6
17
(iv)
4
15
(v)
2
5
Question
23
23.
Find the missing value in
19
17
+
______ =
627
272
(i)
17
16
(ii)
19
18
(iii)
21
16
(iv)
19
14
(v)
19
16
Question
24
24.
Find the missing value in
15
14
−
______ =
1
112
(i)
15
16
(ii)
19
16
(iii)
17
16
(iv)
17
14
(v)
17
18
Question
25
25.
Find the missing value in
17
12
✕
______ =
289
48
(i)
15
4
(ii)
17
2
(iii)
17
4
(iv)
17
6
(v)
19
4
Question
26
26.
Find the missing value in
15
7
÷
______ =
33
28
(i)
18
11
(ii)
20
9
(iii)
20
13
(iv)
2
(v)
20
11
Question
27
27.
Which of the following is true?
(i)
2
9
✕
1
16
=
3
5
9
(ii)
5
6
✕
2
7
=
2
11
12
(iii)
12
14
−
5
9
=
19
63
(iv)
7
14
✕
7
17
=
1
3
14
(v)
14
17
✕
3
4
=
1
5
51
Question
28
28.
Which of the following is true?
(i)
24
7
−
12
7
=
5
1
7
(ii)
15
7
+
12
7
=
3
7
(iii)
15
2
✕
17
13
=
5
25
34
(iv)
31
12
+
19
9
=
4
25
36
(v)
28
9
✕
16
11
=
2
5
36
Question
29
29.
Find the missing value in
18
5
16
+
______ =
27
23
176
(i)
8
7
11
(ii)
8
9
11
(iii)
8
9
13
(iv)
9
Question
30
30.
Find the missing value in
15
13
17
−
______ =
6
121
136
(i)
8
7
10
(ii)
9
1
6
(iii)
8
5
8
(iv)
9
1
8
(v)
8
7
8
Question
31
31.
Find the missing value in
6
5
9
✕
______ =
94
35
117
(i)
14
1
3
(ii)
14
7
13
(iii)
14
5
13
(iv)
14
3
13
(v)
14
5
11
Question
32
32.
Find the missing value in
11
16
17
÷
______ =
1421
2397
(i)
20
3
7
(ii)
20
1
5
(iii)
20
1
7
(iv)
19
6
7
(v)
20
1
9
Question
33
33.
11
1
7
+
11
= ______
(i)
155
7
(ii)
31
(iii)
155
9
(iv)
153
7
(v)
157
7
Question
34
34.
20
1
8
−
17
= ______
(i)
27
8
(ii)
25
6
(iii)
5
2
(iv)
23
8
(v)
25
8
Question
35
35.
9
3
5
✕
1
= ______
(i)
10
(ii)
46
5
(iii)
48
5
(iv)
16
(v)
48
7
Question
36
36.
11
1
6
÷
17
= ______
(i)
67
100
(ii)
23
34
(iii)
67
102
(iv)
65
102
(v)
67
104
Question
37
37.
9
+
11
1
2
= ______
(i)
41
2
(ii)
43
2
(iii)
41
(iv)
39
2
(v)
41
4
Question
38
38.
17
−
6
3
13
= ______
(i)
140
11
(ii)
138
13
(iii)
28
3
(iv)
142
13
(v)
140
13
Question
39
39.
11
✕
4
1
9
= ______
(i)
407
9
(ii)
45
(iii)
407
7
(iv)
37
(v)
409
9
Question
40
40.
14
÷
7
4
9
= ______
(i)
124
67
(ii)
126
65
(iii)
42
23
(iv)
126
67
(v)
128
67
Assignment Key
1) (iv)
2) (iv)
3) (i)
4) (v)
5) (ii)
6) (iii)
7) (v)
8) (v)
9) (iv)
10) (ii)
11) (i)
12) (ii)
13) (iv)
14) (iv)
15) (i)
16) (iii)
17) (ii)
18) (ii)
19) (ii)
20) (i)
21) (iii)
22) (v)
23) (v)
24) (iii)
25) (iii)
26) (v)
27) (iii)
28) (iv)
29) (ii)
30) (v)
31) (iii)
32) (iii)
33) (i)
34) (v)
35) (iii)
36) (iii)
37) (i)
38) (v)
39) (i)
40) (iv)
