EduSahara™ Assignment
Name : Multiplication of Real Numbers
Chapter : Number Systems
Grade : CBSE Grade IX
License : Non Commercial Use
Question
1
1.
2
√
6
✕
4
√
8
=
(i)
3072
(ii)
4
√
3072
(iii)
√
3072
(iv)
√
3070
(v)
√
3074
Question
2
2.
(
−
3
√
8
)
✕
8
√
6
=
(i)
(
−
48
√
15
)
(ii)
(
−
48
√
12
)
(iii)
(
−
48
√
9
)
(iv)
(
−
48
4
√
12
)
(v)
(
−
576
)
Question
3
3.
(
√
5
+
7
√
8
)
✕
(
8
√
8
+
√
5
)
=
(i)
(
30
√
10
+
453
)
(ii)
(
30
√
12
+
453
)
(iii)
(
30
√
8
+
453
)
(iv)
(
30
√
10
+
454
)
(v)
(
30
√
10
+
452
)
Question
4
4.
18
√
3
✕
18
√
5
=
(i)
20
√
15
(ii)
16
√
15
(iii)
18
√
15
(iv)
18
√
17
(v)
18
√
13
Question
5
5.
2
√
8
✕
5
√
6
=
(i)
√
4800
(ii)
4
√
4800
(iii)
√
4802
(iv)
√
4798
(v)
4800
Question
6
6.
(
−
6
√
4
)
✕
(
−
6
√
2
)
=
(i)
72
√
2
(ii)
72
√
-1
(iii)
72
√
5
(iv)
72
4
√
2
(v)
144
Question
7
7.
(
8
√
6
+
9
√
5
)
✕
(
−
18
−
9
√
2
)
=
(i)
(
−
144
√
6
−
162
4
√
5
−
72
√
12
−
81
√
10
)
(ii)
(
−
144
√
6
−
162
√
5
−
72
4
√
12
−
81
√
10
)
(iii)
(
−
144
√
4
−
162
√
5
−
72
√
12
−
81
√
10
)
(iv)
(
−
144
√
6
−
162
√
5
−
72
√
12
−
81
√
10
)
(v)
(
−
144
√
6
−
162
√
5
−
72
√
12
−
81
√
12
)
Question
8
8.
15
√
2
✕
15
√
9
=
(i)
13
√
18
(ii)
15
√
18
(iii)
15
√
20
(iv)
17
√
18
(v)
15
√
15
Assignment Key
1) (iii)
2) (ii)
3) (i)
4) (iii)
5) (i)
6) (i)
7) (iv)
8) (ii)
