EduSahara™ Assignment
Name : Multiplication of Real Numbers
Chapter : Number Systems
Grade : CBSE Grade IX
License : Non Commercial Use
Question
1
1.
5
√
3
✕
2
√
8
=
(i)
2400
(ii)
4
√
2400
(iii)
√
2398
(iv)
√
2400
(v)
√
2403
Question
2
2.
7
√
7
✕
(
−
3
√
5
)
=
(i)
(
−
21
√
37
)
(ii)
(
−
21
√
35
)
(iii)
(
−
21
√
33
)
(iv)
(
−
735
)
(v)
(
−
21
4
√
35
)
Question
3
3.
(
−
3
√
3
+
6
√
4
)
✕
(
6
√
3
+
5
√
4
)
=
(i)
(
66
+
42
4
√
3
)
(ii)
(
64
+
42
√
3
)
(iii)
(
66
+
42
√
3
)
(iv)
(
68
+
42
√
3
)
(v)
(
66
+
126
)
Question
4
4.
25
√
10
✕
25
√
2
=
(i)
27
√
20
(ii)
25
√
18
(iii)
25
√
22
(iv)
25
√
20
(v)
23
√
20
Question
5
5.
5
√
3
✕
3
√
4
=
(i)
√
2700
(ii)
2700
(iii)
√
2703
(iv)
√
2697
(v)
4
√
2700
Question
6
6.
3
√
2
✕
7
√
6
=
(i)
21
√
15
(ii)
252
(iii)
21
√
12
(iv)
21
√
10
(v)
21
4
√
12
Question
7
7.
(
9
√
8
−
7
√
7
)
✕
(
5
√
2
+
3
√
7
)
=
(i)
(
33
+
19
4
√
14
)
(ii)
(
33
+
266
)
(iii)
(
31
+
19
√
14
)
(iv)
(
36
+
19
√
14
)
(v)
(
33
+
19
√
14
)
Question
8
8.
13
√
3
✕
13
√
9
=
(i)
13
√
29
(ii)
15
√
27
(iii)
13
√
27
(iv)
13
√
25
(v)
11
√
27
Assignment Key
1) (iv)
2) (ii)
3) (iii)
4) (iv)
5) (i)
6) (iii)
7) (v)
8) (iii)
