Question Text
Question 2 :
Assertion: $\displaystyle \frac{13}{3125}$ is a terminating decimal fraction.
Reason: If $q=2^n \cdot 5^m$ where $n, m$ are non-negative integers, then $\displaystyle \frac{p}{q}$ is a terminating decimal fraction.
Question 3 :
The ........... when multiplied always give a new unique natural number.
Question 4 :
State whether the following statement is true or not:$\left( 3+\sqrt { 5 }  \right) $ is an irrational number. 
Question 6 :
State whether the following statement is true or false.The following number is irrational<br/>$7\sqrt {5}$
Question 7 :
State whether the following statement is True or False.<br/>3.54672 is an irrational number.
Question 8 :
The LCM of 54 90 and a third number is 1890 and their HCF is 18 The third number is
Question 9 :
H.C.F. of $x^3 -1$ and $x^4 + x^2 + 1$ is
Question 10 :
What is the HCF of $4x^{3} + 3x^{2}y - 9xy^{2} + 2y^{3}$ and $x^{2} + xy - 2y^{2}$?
Question 11 :
State True or False:$4\, - \,5\sqrt 2 $ is irrational if $\sqrt 2 $ is irrational.
Question 12 :
For three irrational numbers $p,q$ and $r$ then $p.(q+r)$ can be
Question 13 :
State whether the following statement is true or false.The following number is irrational<br/>$6+\sqrt {2}$
Question 15 :
Euclid's division lemma states that for two positive integers a and b, there exist unique integers q and r such that $a = bq + r$, where r must satisfy<br>
Question 18 :
Euclids division lemma can be used to find the $...........$ of any two positive integers and to show the common properties of numbers.