Question Text
Question 8 :
How many variables are there in the algebraic expression $ax^2+bxy+cy^2$  where $a, b, c$ are constants ?
Question 9 :
Classify the following polynomial as a polynomial in one variable, two variables, etc.$xy + yz + zx$<br/>
Question 11 :
The length of the wooden strip required to frame a photograph of length and breadth 39.5 cm and 31 cm respectively, is
Question 12 :
The perimeter of a square field whose side is $ 4 \ m$  is ........... m.
Question 14 :
If the length and breadth of a rectangle are doubled then its perimeter is<br>
Question 15 :
80 students of the same height stand with both hands stretched all along the sides of a rectangular garden each student covering a length of 1.75 m.Then what is the perimeter of the  garden?<br/>
Question 16 :
$520\ g$ of tiny pink pebbles are mixed with $580\ g$ of tiny purple pebbles. Vihan packed the mixture of the tiny pebbles into $5$ equal packets. How many grams of the mixture are there in each packet?
Question 17 :
Farmer Gopal packed an equal number of oranges into each of the $15$ baskets. If each basket contained $85$ oranges, how many oranges did he pack?
Question 18 :
If $\cfrac{ 3}{ 5} $ quintal of wheat costs Rs $210$, then find the cost of $0.4$ quintal of wheat.
Question 19 :
A contractor sent $7695940$ bricksfor the construction of $70$ chambers. If an equal number of bricks were required for each chamber, how many bricks were used for each chamber?
Question 20 :
If $\dfrac{ 3}{ 5} $ quintal of wheat cost Rs. $210$, then find the cost of $1$ quintal of wheat.
