EduSahara™ Assignment
Name : Operations on Rational Numbers
Chapter : Rational Numbers
Grade : CBSE Grade VII
License : Non Commercial Use
Question
1
1.
5
15
+
2
= ______
(i)
7
(ii)
7
3
(iii)
5
3
(iv)
3
(v)
7
5
Question
2
2.
7
10
11
−
7
= ______
(i)
12
11
(ii)
10
13
(iii)
10
9
(iv)
10
11
(v)
8
11
Question
3
3.
1
6
✕
14
= ______
(i)
7
3
(ii)
7
(iii)
7
5
(iv)
5
3
(v)
3
Question
4
4.
5
10
÷
16
= ______
(i)
1
34
(ii)
1
32
(iii)
3
32
(iv)
1
30
(v)
(
-1
32
)
Question
5
5.
11
10
+
12
= ______
(i)
129
10
(ii)
131
10
(iii)
131
12
(iv)
131
8
(v)
133
10
Question
6
6.
35
6
−
4
= ______
(i)
13
6
(ii)
11
8
(iii)
3
2
(iv)
11
4
(v)
11
6
Question
7
7.
13
2
✕
3
= ______
(i)
39
(ii)
39
2
(iii)
41
2
(iv)
37
2
(v)
39
4
Question
8
8.
13
6
÷
3
= ______
(i)
13
18
(ii)
13
16
(iii)
11
18
(iv)
5
6
(v)
13
20
Question
9
9.
19
+
1
2
= ______
(i)
39
2
(ii)
41
2
(iii)
37
2
(iv)
39
4
(v)
39
Question
10
10.
9
−
6
11
= ______
(i)
91
11
(ii)
93
11
(iii)
93
13
(iv)
31
3
(v)
95
11
Question
11
11.
2
✕
1
15
= ______
(i)
4
15
(ii)
2
15
(iii)
2
17
(iv)
2
13
(v)
0
Question
12
12.
12
÷
1
2
= ______
(i)
21
(ii)
25
(iii)
23
(iv)
26
(v)
24
Question
13
13.
8
+
17
4
= ______
(i)
49
2
(ii)
47
4
(iii)
51
4
(iv)
49
4
(v)
49
6
Question
14
14.
6
−
7
2
= ______
(i)
3
2
(ii)
5
4
(iii)
7
2
(iv)
5
2
(v)
5
Question
15
15.
14
✕
18
7
= ______
(i)
35
(ii)
36
(iii)
38
(iv)
37
(v)
33
Question
16
16.
18
÷
19
2
= ______
(i)
36
19
(ii)
36
17
(iii)
2
(iv)
12
7
(v)
34
19
Question
17
17.
The additive inverse of
8
7
is
(i)
(
-8
7
)
(ii)
(
-2
1
7
)
(iii)
7
8
(iv)
0
(v)
7
-8
Question
18
18.
The multiplicative inverse of
(
-1
8
)
is
(i)
-7
(ii)
-8
1
(iii)
-9
(iv)
-6
(v)
-10
Question
19
19.
Find the missing value in
5
15
+
______ =
8
9
(i)
4
9
(ii)
5
8
(iii)
1
2
(iv)
2
3
(v)
5
9
Question
20
20.
Find the missing value in
9
10
−
______ =
7
30
(i)
2
3
(ii)
2
(iii)
0
(iv)
2
5
(v)
4
3
Question
21
21.
Find the missing value in
11
16
✕
______ =
33
112
(i)
3
5
(ii)
5
7
(iii)
1
7
(iv)
1
3
(v)
3
7
Question
22
22.
Find the missing value in
5
11
÷
______ =
85
176
(i)
16
19
(ii)
18
17
(iii)
14
17
(iv)
16
15
(v)
16
17
Question
23
23.
Find the missing value in
7
4
+
______ =
115
36
(i)
11
9
(ii)
5
3
(iii)
13
11
(iv)
13
9
(v)
13
7
Question
24
24.
Find the missing value in
20
11
−
______ =
70
99
(i)
10
9
(ii)
4
3
(iii)
10
11
(iv)
8
9
(v)
10
7
Question
25
25.
Find the missing value in
19
8
✕
______ =
209
48
(i)
11
8
(ii)
11
6
(iii)
3
2
(iv)
13
6
(v)
11
4
Question
26
26.
Find the missing value in
11
7
÷
______ =
121
98
(i)
14
13
(ii)
14
11
(iii)
12
11
(iv)
16
11
(v)
14
9
Question
27
27.
Which of the following is true?
(i)
4
6
+
7
14
=
1
6
(ii)
6
8
✕
9
17
=
1
5
12
(iii)
16
20
−
3
11
=
59
55
(iv)
3
4
+
4
20
=
19
20
(v)
2
4
+
2
5
=
1
10
Question
28
28.
Which of the following is true?
(i)
38
5
−
10
3
=
10
14
15
(ii)
27
7
✕
40
17
=
9
9
119
(iii)
4
3
✕
21
19
=
1
13
63
(iv)
23
15
÷
19
17
=
1
182
255
(v)
27
2
÷
35
8
=
59
1
16
Question
29
29.
Find the missing value in
9
2
3
+
______ =
17
7
12
(i)
7
11
14
(ii)
8
1
12
(iii)
7
3
4
(iv)
7
11
12
(v)
8
1
10
Question
30
30.
Find the missing value in
14
13
20
−
______ =
6
3
4
(i)
8
1
8
(ii)
7
7
10
(iii)
7
3
4
(iv)
8
1
10
(v)
7
9
10
Question
31
31.
Find the missing value in
14
13
20
✕
______ =
185
17
30
(i)
13
1
3
(ii)
12
2
3
(iii)
14
(iv)
12
(v)
12
2
5
Question
32
32.
Find the missing value in
16
1
5
÷
______ =
1
419
715
(i)
10
5
14
(ii)
10
3
14
(iii)
10
3
16
(iv)
10
1
14
(v)
10
1
4
Question
33
33.
2
7
16
+
1
= ______
(i)
55
18
(ii)
53
16
(iii)
55
16
(iv)
55
14
(v)
57
16
Question
34
34.
12
1
4
−
4
= ______
(i)
35
4
(ii)
33
2
(iii)
11
2
(iv)
33
4
(v)
31
4
Question
35
35.
9
4
7
✕
18
= ______
(i)
134
(ii)
1208
7
(iii)
1206
5
(iv)
1206
7
(v)
172
Question
36
36.
2
1
5
÷
13
= ______
(i)
11
63
(ii)
9
65
(iii)
11
67
(iv)
11
65
(v)
1
5
Question
37
37.
2
+
10
1
4
= ______
(i)
49
2
(ii)
49
6
(iii)
47
4
(iv)
51
4
(v)
49
4
Question
38
38.
22
−
3
2
9
= ______
(i)
169
11
(ii)
169
9
(iii)
19
(iv)
167
9
(v)
169
7
Question
39
39.
6
✕
7
11
12
= ______
(i)
95
2
(ii)
97
2
(iii)
93
2
(iv)
95
(v)
95
4
Question
40
40.
16
÷
7
1
11
= ______
(i)
88
37
(ii)
86
39
(iii)
30
13
(iv)
88
41
(v)
88
39
Assignment Key
1) (ii)
2) (iv)
3) (i)
4) (ii)
5) (ii)
6) (v)
7) (ii)
8) (i)
9) (i)
10) (ii)
11) (ii)
12) (v)
13) (iv)
14) (iv)
15) (ii)
16) (i)
17) (i)
18) (ii)
19) (v)
20) (i)
21) (v)
22) (v)
23) (iv)
24) (i)
25) (ii)
26) (ii)
27) (iv)
28) (ii)
29) (iv)
30) (v)
31) (ii)
32) (ii)
33) (iii)
34) (iv)
35) (iv)
36) (iv)
37) (v)
38) (ii)
39) (i)
40) (v)
