Free Printable Number System-1

1.

$\frac{1}{3+2\sqrt{2\ }}=?$

a)

$\frac{3-2\sqrt{2}}{17}$

b)

$\frac{3-2\sqrt{2}}{13}$

c)

$3-2\sqrt{2}$

d)

$3+2\sqrt{2}$

2.

If x= $7+4\sqrt{3}\$ then $x+\frac{1}{x}\ =\ ?$

a)

$8\sqrt{3}$

b)

14

c)

49

d)

48

3.

$\sqrt{10}$ $\times\ \sqrt{15}$ $=$ ?

a)

$\sqrt{25}$

b)

$5\sqrt{6}$

c)

$6\sqrt{5}$

d)

$\sqrt{5}$

4.

$\left(\frac{81}{16}\right)^{-\frac{3}{4}}=\ \ ?$

a)

$\frac{4}{9}$

b)

$\frac{9}{4}$

c)

$\frac{27}{8}$

d)

$\frac{8}{27}$

5.

$An\ irrational\ number\ between\ 5\ and\ 6\ is\ _{ }\ _{ }$

a)

$\frac{1}{2}$ (5+6)

b)

$\sqrt{5+6}$

c)

$\sqrt{5X6}$

d)

2(5+6)

6.

The simplest form of 0.12333333... is

a)

$\frac{41}{330}$

b)

$\frac{37}{330}$

c)

$\frac{41}{333}$

d)

None of these

7.

$625^{0.16}\ X\ \ 625^{0.09}\ =\ ?$

a)

5

b)

25

c)

125

d)

625.25

8.

$2^{\frac{1}{3}}\ X\ \ 2^{\frac{1}{4}}\ X\ \ 32^{\frac{1}{12}}\ \ =\ ?$

a)

2

b)

$\sqrt{2}$

c)

2 $\sqrt{2}$

d)

$4\sqrt{2}$

9.

$64^{\left(-2\right)^{\frac{1}{4}}}$

a)

4

b)

$\frac{1}{4}$

c)

8

d)

$\frac{1}{8}$

10.

$\frac{1}{\left(\sqrt{4}\ -\ \sqrt{3}\right)}\ =\ ?$

a)

$2\ +\ \sqrt{3}$

b)

$2\ -\sqrt{3}$

c)

1

d)

$\sqrt{3}-\sqrt{4}$

Number System-1

Total questions: 10

Worksheet time: 10mins

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