EduSahara™ Assignment
Name : Multiplication of Real Numbers
Chapter : Number Systems
Grade : CBSE Grade IX
License : Non Commercial Use
Question
1
1.
4
√
3
✕
2
√
2
=
(i)
√
384
(ii)
√
381
(iii)
4
√
384
(iv)
384
(v)
√
386
Question
2
2.
(
−
6
√
4
)
✕
4
√
8
=
(i)
(
−
96
√
4
)
(ii)
(
−
96
4
√
2
)
(iii)
(
−
192
)
(iv)
(
−
96
√
-1
)
(v)
(
−
96
√
2
)
Question
3
3.
(
−
6
√
8
−
√
5
)
✕
(
−
√
4
+
√
3
)
=
(i)
(
24
√
2
+
2
√
5
−
12
4
√
6
−
√
15
)
(ii)
(
24
√
2
+
2
√
5
−
12
√
6
−
√
15
)
(iii)
(
24
√
2
+
2
4
√
5
−
12
√
6
−
√
15
)
(iv)
(
24
√
2
+
2
√
5
−
12
√
6
−
√
18
)
(v)
(
24
√
-1
+
2
√
5
−
12
√
6
−
√
15
)
Question
4
4.
17
√
9
✕
17
√
6
=
(i)
15
√
54
(ii)
17
√
52
(iii)
19
√
54
(iv)
17
√
54
(v)
17
√
56
Question
5
5.
3
√
9
✕
5
√
5
=
(i)
√
10125
(ii)
4
√
10125
(iii)
√
10127
(iv)
√
10122
(v)
10125
Question
6
6.
5
√
5
✕
(
−
6
√
9
)
=
(i)
(
−
90
√
5
)
(ii)
(
−
90
4
√
5
)
(iii)
(
−
90
√
8
)
(iv)
(
−
450
)
(v)
(
−
90
√
2
)
Question
7
7.
(
3
√
7
−
7
√
6
)
✕
(
√
6
−
7
√
2
)
=
(i)
(
3
√
39
−
42
−
21
√
14
+
49
√
12
)
(ii)
(
3
√
42
−
42
−
21
√
14
+
49
√
14
)
(iii)
(
3
√
42
−
42
−
21
4
√
14
+
49
√
12
)
(iv)
(
3
√
42
−
41
−
21
√
14
+
49
√
12
)
(v)
(
3
√
42
−
42
−
21
√
14
+
49
√
12
)
Question
8
8.
14
√
6
✕
14
√
9
=
(i)
14
√
51
(ii)
14
√
54
(iii)
14
√
56
(iv)
12
√
54
(v)
16
√
54
Assignment Key
1) (i)
2) (v)
3) (ii)
4) (iv)
5) (i)
6) (i)
7) (v)
8) (ii)
