EduSahara™ Assignment
Name : Multiplication of Real Numbers
Chapter : Number Systems
Grade : CBSE Grade IX
License : Non Commercial Use
Question
1
1.
2
√
10
✕
3
√
4
=
(i)
1440
(ii)
4
√
1440
(iii)
√
1443
(iv)
√
1438
(v)
√
1440
Question
2
2.
(
−
3
√
4
)
✕
(
−
6
√
5
)
=
(i)
180
(ii)
36
√
5
(iii)
36
√
3
(iv)
36
√
8
(v)
36
4
√
5
Question
3
3.
(
9
√
5
+
7
√
7
)
✕
(
−
3
√
5
−
2
√
7
)
=
(i)
(
−
235
−
39
√
35
)
(ii)
(
−
233
−
39
√
35
)
(iii)
(
−
230
−
39
√
35
)
(iv)
(
−
233
−
39
4
√
35
)
(v)
(
−
233
−
1365
)
Question
4
4.
19
√
3
✕
19
√
3
=
(i)
19
√
6
2
(ii)
19
√
3
2
(iii)
19
√
0
(iv)
17
√
3
2
(v)
21
√
3
2
Question
5
5.
√
3
✕
4
√
3
=
(i)
10
(ii)
14
(iii)
11
(iv)
13
(v)
12
Question
6
6.
4
√
5
✕
(
−
9
√
3
)
=
(i)
(
−
36
√
15
)
(ii)
(
−
36
√
18
)
(iii)
(
−
36
√
12
)
(iv)
(
−
540
)
(v)
(
−
36
4
√
15
)
Question
7
7.
(
−
5
√
6
+
√
8
)
✕
(
−
6
√
9
+
8
√
7
)
=
(i)
(
90
√
6
−
36
√
2
−
40
√
42
+
16
√
17
)
(ii)
(
90
√
6
−
36
√
2
−
40
4
√
42
+
16
√
14
)
(iii)
(
90
√
6
−
36
4
√
2
−
40
√
42
+
16
√
14
)
(iv)
(
90
√
6
−
36
√
2
−
40
√
42
+
16
√
14
)
(v)
(
90
√
4
−
36
√
2
−
40
√
42
+
16
√
14
)
Question
8
8.
15
√
9
✕
15
√
2
=
(i)
15
√
21
(ii)
15
√
15
(iii)
15
√
18
(iv)
17
√
18
(v)
13
√
18
Assignment Key
1) (v)
2) (ii)
3) (ii)
4) (ii)
5) (v)
6) (i)
7) (iv)
8) (iii)
