EduSahara™ Assignment
Name : Multiplication of Real Numbers
Chapter : Number Systems
Grade : CBSE Grade IX
License : Non Commercial Use
Question
1
1.
5
√
5
✕
4
√
7
=
(i)
√
14000
(ii)
14000
(iii)
√
13998
(iv)
4
√
14000
(v)
√
14003
Question
2
2.
(
−
5
√
4
)
✕
6
√
6
=
(i)
(
−
360
)
(ii)
(
−
60
√
8
)
(iii)
(
−
60
4
√
6
)
(iv)
(
−
60
√
6
)
(v)
(
−
60
√
3
)
Question
3
3.
(
9
√
7
+
√
3
)
✕
(
−
7
√
6
−
6
√
4
)
=
(i)
(
−
63
√
42
−
7
√
18
−
108
√
7
−
12
√
6
)
(ii)
(
−
63
√
42
−
7
√
18
−
108
√
7
−
12
√
3
)
(iii)
(
−
63
√
42
−
7
√
18
−
108
4
√
7
−
12
√
3
)
(iv)
(
−
63
√
42
−
7
4
√
18
−
108
√
7
−
12
√
3
)
(v)
(
−
63
√
40
−
7
√
18
−
108
√
7
−
12
√
3
)
Question
4
4.
13
√
6
✕
13
√
4
=
(i)
13
√
21
(ii)
13
√
24
(iii)
13
√
26
(iv)
15
√
24
(v)
11
√
24
Question
5
5.
3
√
9
✕
√
9
=
(i)
30
(ii)
26
(iii)
25
(iv)
27
(v)
28
Question
6
6.
(
−
7
√
4
)
✕
√
3
=
(i)
(
−
42
)
(ii)
(
−
14
√
5
)
(iii)
(
−
14
4
√
3
)
(iv)
(
−
14
√
1
3
)
(v)
(
−
14
√
3
)
Question
7
7.
(
−
7
√
8
−
√
7
)
✕
(
−
√
6
−
√
8
)
=
(i)
(
14
√
10
+
√
42
+
56
+
2
√
14
)
(ii)
(
14
√
12
+
√
42
+
56
+
2
√
17
)
(iii)
(
14
√
12
+
√
42
+
57
+
2
√
14
)
(iv)
(
14
√
12
+
√
42
+
56
+
2
√
14
)
(v)
(
14
√
12
+
4
√
42
+
56
+
2
√
14
)
Question
8
8.
12
√
7
✕
12
√
6
=
(i)
14
√
42
(ii)
12
√
40
(iii)
12
√
42
(iv)
10
√
42
(v)
12
√
44
Assignment Key
1) (i)
2) (iv)
3) (ii)
4) (ii)
5) (iv)
6) (v)
7) (iv)
8) (iii)
