Question 4 :
If $\displaystyle A=\pi \left ( R^{2}-r^{2} \right )$, then $R$ is equal to
Question 12 :
Which of the following terms contain maximum number of variables ?
Question 15 :
A real variable is a variable whose values are real numbers.<br/>
Question 16 :
Classify the following polynomial as polynomial in one variable, two variables etc.$y^{3}-5y$<br/>
Question 21 :
How many variables are there in the algebraic expression $ax^2+bxy+cy^2$  where $a, b, c$ are constants ?
Question 22 :
State True or False, if he following expression is polynomial in one variable $y^2+\sqrt 2$<br/>
Question 24 :
Classify the following polynomial as a polynomial in one variable, two variables, etc.$xy + yz + zx$<br/>
Question 30 :
State True or False, if the following expression is polynomial in one variable.$3\sqrt t+t\sqrt 2$<br/>
Question 31 :
An important development in algebra in the $16^{th}$ century was the<br/>
Question 32 :
Classify the following polynomial as polynomial in one variable, two variables etc.$x^{2}+x+1$<br/>
Question 34 :
State True or False, if the following expression is polynomial in one variable (State reason for your answer):$y+\dfrac {2}{y}$<br/>
Question 37 :
What is the value of the constant term in the expression, $23x^3+12x^2-6x-12$?<br>
Question 40 :
Which one is the constant term of $4x^{3} - 3x^{2} + 2x - 5$.
Question 41 :
Classify the following polynomial as polynomial in one variable, two variables etc.$x^{2}-2xy+y^{2}+1$
Question 43 :
The constant term of $0.4x^{7} - 75y^{2} - 0.75$ is ___
Question 44 :
State True or False, if the following expression is polynomial in one variable<br/>$4x^2-3x+7$<br/>