Monthly test for Grade 8

A number whose decimal represenatation is non-terminating and recurring is called 

• an rational

• irrational 

• real number

• none 

If length of a square is 0.9 m then its area is

• $8.1\ m^2$

• $0.81\ m^2$

• $0.081\ m^2$

• none

Find the square root of 5184

• 62

• 72

• 52

• none

 $\sqrt{19}$  is__________number

• an rational

• an irrational

• real

• none

The area of square field is 15129 sq.metre.Find the length of the side of square

• 133

• 123

• 113

• none

Find the cube of 0.6

• 2.16

• 0.216

• 21.6

• none

The product of a number by itself is known as ____________

• square root

• square

• cube

• none

 $QUQ'=$  

•  $Q$  

•  $Q'$  

•  $R$  

• none

 $\sqrt{\frac{a}{b\ }}=?$  

•  $\frac{a}{b}$  

•  $\sqrt{\frac{b}{a}}$  

•  $\frac{\sqrt{a}}{b}$  

• none

which of the following is not true about  $\sqrt{36}$  ?

• irrational

• rational

• natural

• none