EduSahara™ Assignment
Name : Multiplication and Division
Chapter : Real Numbers
Grade : SSC Grade IX
License : Non Commercial Use
Question
1
1.
9
√
8
✕
(
−
5
√
9
)
=
(i)
(
−
270
√
5
)
(ii)
(
−
540
)
(iii)
(
−
270
√
-1
)
(iv)
(
−
270
√
2
)
(v)
(
−
270
4
√
2
)
Question
2
2.
(
6
√
9
+
6
√
8
)
✕
(
−
3
√
7
−
4
√
8
)
=
(i)
(
−
54
√
7
−
36
4
√
14
−
144
√
2
−
192
)
(ii)
(
−
54
√
4
−
36
√
14
−
144
√
2
−
192
)
(iii)
(
−
54
√
7
−
36
√
14
−
144
4
√
2
−
192
)
(iv)
(
−
54
√
7
−
36
√
14
−
144
√
2
−
192
)
(v)
(
−
54
√
7
−
36
√
14
−
144
√
2
−
190
)
Question
3
3.
6
√
4
÷
(
−
7
√
6
)
=
(i)
(
−
2
7
√
6
)
(ii)
(
−
2
7
√
8
)
(iii)
(
−
12
7
)
(iv)
(
−
2
7
√
3
)
(v)
(
−
2
7
4
√
6
)
Question
4
4.
(
8
√
2
−
6
√
7
)
÷
(
2
√
2
+
2
√
6
)
=
(i)
(
−
2
+
3
4
4
√
14
+
√
12
−
3
4
√
42
)
(ii)
(
−
2
+
3
4
√
14
+
√
12
−
3
4
√
44
)
(iii)
(
−
2
+
3
4
√
14
+
4
√
12
−
3
4
√
42
)
(iv)
(
−
2
+
3
4
√
14
+
√
12
−
3
4
√
42
)
(v)
(
−
5
+
3
4
√
14
+
√
12
−
3
4
√
42
)
Question
5
5.
4
√
9
✕
4
√
8
=
(i)
6
√
72
(ii)
4
√
75
(iii)
4
√
70
(iv)
√
72
(v)
4
√
72
Question
6
6.
4
√
2
✕
3
√
10
=
(i)
2880
(ii)
4
√
2880
(iii)
√
2880
(iv)
√
2882
(v)
√
2878
Question
7
7.
5
√
9
5
√
10
=
(i)
3
√
9
10
(ii)
5
√
9
10
(iii)
5
√
11
10
(iv)
7
√
9
10
(v)
5
√
7
10
Question
8
8.
9
3
√
6
7
3
√
10
=
(i)
3
√
2189
1715
(ii)
3
√
437
343
(iii)
2187
1715
(iv)
3
√
2187
1715
(v)
5
√
2187
1715
Question
9
9.
8
√
6
8
√
9
=
(i)
8
√
2
3
(ii)
10
√
2
3
(iii)
8
√
4
3
(iv)
8
√
3
2
(v)
6
√
2
3
Question
10
10.
3
3
√
15
9
3
√
4
=
(i)
3
√
7
36
(ii)
5
36
(iii)
3
√
5
36
(iv)
3
√
1
12
(v)
5
√
5
36
Question
11
11.
(
−
√
6
)
✕
6
√
3
=
(i)
(
−
6
√
15
)
(ii)
(
−
108
)
(iii)
(
−
6
4
√
18
)
(iv)
(
−
6
√
21
)
(v)
(
−
6
√
18
)
Question
12
12.
(
2
√
3
+
7
√
8
)
✕
(
−
√
2
+
6
√
7
)
=
(i)
(
−
2
√
6
−
28
+
12
√
21
+
84
√
16
)
(ii)
(
−
2
√
6
−
28
+
12
4
√
21
+
84
√
14
)
(iii)
(
−
2
√
6
−
27
+
12
√
21
+
84
√
14
)
(iv)
(
−
2
√
3
−
28
+
12
√
21
+
84
√
14
)
(v)
(
−
2
√
6
−
28
+
12
√
21
+
84
√
14
)
Question
13
13.
9
√
9
÷
(
−
9
√
3
)
=
(i)
(
−
√
1
3
)
(ii)
(
−
4
√
3
)
(iii)
(
−
3
)
(iv)
(
−
√
5
)
(v)
(
−
√
3
)
Question
14
14.
(
−
7
√
8
+
4
√
5
)
÷
(
−
8
√
3
+
7
√
8
)
=
(i)
(
−
14
25
√
6
+
4
25
√
15
−
49
25
+
7
25
√
13
)
(ii)
(
−
14
25
√
6
+
4
25
√
15
−
49
25
+
7
25
√
10
)
(iii)
(
−
14
25
√
3
+
4
25
√
15
−
49
25
+
7
25
√
10
)
(iv)
(
−
14
25
√
6
+
4
25
4
√
15
−
49
25
+
7
25
√
10
)
(v)
(
−
14
25
√
6
+
4
25
√
15
−
17
9
+
7
25
√
10
)
Question
15
15.
17
√
10
✕
17
√
8
=
(i)
17
√
83
(ii)
19
√
80
(iii)
15
√
80
(iv)
17
√
80
(v)
17
√
78
Question
16
16.
4
√
4
✕
3
√
2
=
(i)
4
√
1152
(ii)
1152
(iii)
√
1152
(iv)
√
1149
(v)
√
1154
Question
17
17.
√
3
√
6
=
(i)
√
3
2
(ii)
√
1
2
(iii)
1
2
(iv)
4
√
1
2
(v)
√
-1
2
Question
18
18.
7
3
√
4
5
3
√
9
=
(i)
3
√
1372
1125
(ii)
1372
1125
(iii)
5
√
1372
1125
(iv)
3
√
274
225
(v)
3
√
458
375
Question
19
19.
5
√
17
5
√
20
=
(i)
3
√
17
20
(ii)
5
√
3
4
(iii)
7
√
17
20
(iv)
5
√
19
20
(v)
5
√
17
20
Question
20
20.
9
√
10
6
√
7
=
(i)
√
45
14
(ii)
√
47
14
(iii)
√
43
14
(iv)
4
√
45
14
(v)
45
14
Assignment Key
1) (iv)
2) (iv)
3) (i)
4) (iv)
5) (v)
6) (iii)
7) (ii)
8) (iv)
9) (i)
10) (iii)
11) (v)
12) (v)
13) (v)
14) (ii)
15) (iv)
16) (iii)
17) (ii)
18) (i)
19) (v)
20) (i)