Question Text
Question 1 :
Write whether the following statements are True or False. Justify your answer<br>$\pi r^{2}$ is monomial
Question 5 : <p>Add : $5m - 7n,$ <br> $3n - 4m + 2,$ <br> $2m - 3mn - 5$</p>
Question 7 :
State True or False:<br/>On subtracting the sum of $ 5y^2+y-3 $ and $y^2-3y+7 $ from $6y^2+y-2 $, the answer is $3y-6$.<br/>
Question 8 :
$\displaystyle { a }^{ 2 }-\left( -{ a }^{ 2 } \right)$is equal to
Question 10 :
If $x=2, y=3$ , then $ \displaystyle x^{2}+y^{3} $   is equal to 
Question 11 :
What is the value of ${a^3} + {b^3} + {c^3} - 3{\text{abc}}\;{\text{if}}\;{\text{a + b + c = 12}}\;{\text{and}}\;{\text{ab + bc + ca = 47}}$
Question 13 :
What is the missing term in the following product?<br>$\displaystyle \left( { 2a }^{ 3 }-3 \right) \left( { 5a }^{ 3 }-2 \right) ={ 10a }^{ 6 }+.....+6$
Question 15 :
State true or false: Coefficient of x in -3xy is -3
