\(0.\overline { 34 } +0.3\bar { 4 } \) = ________.

(a)

\(0.6\overline { 87 } \)

(b)

\(0.\overline { 68 } \)

(c)

\(0.6\bar { 8 } \)

(d)

\(0.68\bar { 7 } \)

Which of the following statement is false?

(a)

The square root of 25 is 5 or −5

(b)

\(\sqrt{25}\) = 5

(c)

-\(\sqrt{25}\) = -5

(d)

\(\sqrt{25}\) = ±5

\(\sqrt{27}\)+\(\sqrt{12}\) = ________.

(a)

\(\sqrt{39}\)

(b)

5\(\sqrt{6}\)

(c)

5\(\sqrt{3}\)

(d)

3\(\sqrt{5}\)

If \(\sqrt{80}\) = 5\(\sqrt{5}\) , then k= ________.

(a)

2

(b)

4

(c)

8

(d)

16

4\(\sqrt{7}\) \(\times\) 2\(\sqrt{3}\) =  ________.

(a)

6\(\sqrt{10}\)

(b)

8\(\sqrt{21}\)

(c)

8\(\sqrt{10}\)

(d)

6\(\sqrt{21}\)

When written with a rational denominator, the expression \(\frac { 2\sqrt { 3 } }{ 3\sqrt { 2 } } \) can be simplified as ________.

(a)

\(\frac { \sqrt { 2 } }{ 3 } \)

(b)

\(\frac { \sqrt { 3 } }{ 2 } \)

(c)

\(\frac { \sqrt { 6 } }{ 3 } \)

(d)

\(\frac{2}{3}\)

When (2\(\sqrt{5}\)-\(\sqrt{2}\))² is simplified, we get ________.

(a)

4\(\sqrt{5}\)+2\(\sqrt{2}\)

(b)

22-4\(\sqrt{10}\)

(c)

8-4\(\sqrt{10}\)

(d)

2\(\sqrt{10}\)-2

\(\frac { \sqrt [ 3 ]{ 18 } }{ \sqrt [ 3 ]{ 2 } } \) is same as _____________

(a)

3

(b)

\(\sqrt [ 3 ]{ 9 } \)

(c)

9

(d)

\(\sqrt [ 6 ]{ 3 } \)

What is 5.92 \(\times\)10^-3 written in decimal form?

(a)

0.000592

(b)

0.00592

(c)

0.0592

(d)

0.592

The length and breadth of a rectangular plot are 5 \(\times\) 10⁵ and 4 \(\times\) 10⁴ metres respectively. Its area is ______.

(a)

9 \(\times\) 10¹ m²

(b)

9 \(\times\) 10⁹ m²

(c)

2 \(\times\) 10¹⁰ m²

(d)

20 \(\times\) 10²⁰ m²