EduSahara™ Assignment
Name : Operations on Rational Numbers
Chapter : Rational Numbers
Grade : CBSE Grade VII
License : Non Commercial Use
Question
1
1.
14
16
+
18
= ______
(i)
151
8
(ii)
149
8
(iii)
151
6
(iv)
153
8
(v)
151
10
Question
2
2.
13
1
3
−
13
= ______
(i)
1
(ii)
(
-1
3
)
(iii)
1
5
(iv)
1
3
Question
3
3.
3
5
✕
14
= ______
(i)
8
(ii)
44
5
(iii)
42
5
(iv)
14
(v)
6
Question
4
4.
6
11
÷
14
= ______
(i)
3
79
(ii)
5
77
(iii)
1
25
(iv)
1
77
(v)
3
77
Question
5
5.
5
4
+
16
= ______
(i)
71
4
(ii)
67
4
(iii)
69
4
(iv)
23
2
(v)
69
2
Question
6
6.
39
2
−
14
= ______
(i)
11
2
(ii)
13
2
(iii)
9
2
(iv)
11
(v)
11
4
Question
7
7.
10
7
✕
2
= ______
(i)
22
7
(ii)
20
9
(iii)
18
7
(iv)
20
7
(v)
4
Question
8
8.
6
5
÷
19
= ______
(i)
2
31
(ii)
4
95
(iii)
8
95
(iv)
6
95
(v)
6
97
Question
9
9.
4
+
12
14
= ______
(i)
34
9
(ii)
36
7
(iii)
34
7
(iv)
34
5
(v)
32
7
Question
10
10.
2
−
5
6
= ______
(i)
5
6
(ii)
7
6
(iii)
7
8
(iv)
3
2
(v)
7
4
Question
11
11.
6
✕
3
13
= ______
(i)
6
5
(ii)
18
11
(iii)
16
13
(iv)
18
13
(v)
20
13
Question
12
12.
10
÷
9
15
= ______
(i)
10
(ii)
50
(iii)
52
3
(iv)
16
(v)
50
3
Question
13
13.
20
+
13
10
= ______
(i)
213
10
(ii)
211
10
(iii)
71
4
(iv)
213
8
(v)
43
2
Question
14
14.
9
−
13
5
= ______
(i)
6
(ii)
34
5
(iii)
32
5
(iv)
32
3
(v)
32
7
Question
15
15.
8
✕
19
15
= ______
(i)
152
13
(ii)
152
17
(iii)
10
(iv)
154
15
(v)
152
15
Question
16
16.
4
÷
9
7
= ______
(i)
28
9
(ii)
28
11
(iii)
4
(iv)
10
3
(v)
26
9
Question
17
17.
The additive inverse of
1
8
is
(i)
8
1
(ii)
(
-1
1
8
)
(iii)
(
-1
8
)
(iv)
0
(v)
8
-1
Question
18
18.
The multiplicative inverse of
(
-3
2
)
is
(i)
1
1
3
(ii)
(
-1
2
3
)
(iii)
1
3
(iv)
(
-2
3
)
(v)
(
-2
2
3
)
Question
19
19.
Find the missing value in
2
4
+
______ =
19
22
(i)
6
11
(ii)
4
9
(iii)
2
11
(iv)
4
13
(v)
4
11
Question
20
20.
Find the missing value in
15
18
−
______ =
25
66
(i)
7
11
(ii)
5
9
(iii)
5
13
(iv)
3
11
(v)
5
11
Question
21
21.
Find the missing value in
13
20
✕
______ =
39
140
(i)
5
7
(ii)
1
7
(iii)
1
3
(iv)
3
5
(v)
3
7
Question
22
22.
Find the missing value in
2
17
÷
______ =
6
17
(i)
3
7
(ii)
1
3
(iii)
1
9
(iv)
3
11
(v)
5
9
Question
23
23.
Find the missing value in
16
3
+
______ =
166
21
(i)
20
7
(ii)
16
7
(iii)
18
5
(iv)
2
(v)
18
7
Question
24
24.
Find the missing value in
16
5
−
______ =
2
(i)
4
5
(ii)
6
5
(iii)
2
(iv)
8
5
(v)
6
7
Question
25
25.
Find the missing value in
19
3
✕
______ =
209
9
(i)
11
5
(ii)
11
(iii)
13
3
(iv)
3
(v)
11
3
Question
26
26.
Find the missing value in
20
19
÷
______ =
15
19
(i)
4
(ii)
4
3
(iii)
2
(iv)
2
3
(v)
4
5
Question
27
27.
Which of the following is true?
(i)
15
18
−
2
5
=
37
30
(ii)
1
2
✕
1
3
=
1
1
2
(iii)
8
13
÷
1
9
=
5
7
13
(iv)
9
12
✕
3
8
=
2
(v)
14
15
÷
9
11
=
42
55
Question
28
28.
Which of the following is true?
(i)
35
2
÷
23
12
=
33
13
24
(ii)
38
3
✕
33
20
=
7
67
99
(iii)
23
2
−
20
19
=
12
21
38
(iv)
17
6
−
22
9
=
7
18
(v)
39
20
÷
23
18
=
2
59
120
Question
29
29.
Find the missing value in
12
3
16
+
______ =
16
67
272
(i)
4
3
17
(ii)
4
1
15
(iii)
3
16
17
(iv)
4
1
19
(v)
4
1
17
Question
30
30.
Find the missing value in
18
3
5
−
______ =
9
11
85
(i)
9
8
15
(ii)
9
10
17
(iii)
9
8
19
(iv)
9
6
17
(v)
9
8
17
Question
31
31.
Find the missing value in
8
3
13
✕
______ =
162
29
52
(i)
20
1
2
(ii)
19
1
4
(iii)
19
1
2
(iv)
20
1
4
(v)
19
3
4
Question
32
32.
Find the missing value in
14
1
3
÷
______ =
215
288
(i)
19
1
3
(ii)
19
1
5
(iii)
18
4
5
(iv)
19
1
7
(v)
19
3
5
Question
33
33.
11
1
3
+
13
= ______
(i)
73
(ii)
25
(iii)
73
3
(iv)
71
3
(v)
73
5
Question
34
34.
11
4
13
−
4
= ______
(i)
95
13
(ii)
19
3
(iii)
95
11
(iv)
97
13
(v)
93
13
Question
35
35.
11
1
3
✕
8
= ______
(i)
272
5
(ii)
90
(iii)
272
3
(iv)
274
3
(v)
272
Question
36
36.
6
1
6
÷
11
= ______
(i)
37
68
(ii)
37
66
(iii)
37
64
(iv)
35
66
(v)
13
22
Question
37
37.
11
+
10
5
14
= ______
(i)
299
14
(ii)
299
12
(iii)
43
2
(iv)
299
16
(v)
297
14
Question
38
38.
20
−
7
3
16
= ______
(i)
205
16
(ii)
207
16
(iii)
205
18
(iv)
203
16
(v)
205
14
Question
39
39.
13
✕
3
3
14
= ______
(i)
583
14
(ii)
585
14
(iii)
585
16
(iv)
587
14
(v)
195
4
Question
40
40.
15
÷
3
2
11
= ______
(i)
5
(ii)
31
7
(iii)
33
5
(iv)
11
3
(v)
33
7
Assignment Key
1) (i)
2) (iv)
3) (iii)
4) (v)
5) (iii)
6) (i)
7) (iv)
8) (iv)
9) (iii)
10) (ii)
11) (iv)
12) (v)
13) (i)
14) (iii)
15) (v)
16) (i)
17) (iii)
18) (iv)
19) (v)
20) (v)
21) (v)
22) (ii)
23) (v)
24) (ii)
25) (v)
26) (ii)
27) (iii)
28) (iv)
29) (v)
30) (v)
31) (v)
32) (ii)
33) (iii)
34) (i)
35) (iii)
36) (ii)
37) (i)
38) (i)
39) (ii)
40) (v)
