B Nirmala Shastry Solutions for Exercise 6: SPEEDY TEST

The variables among the following $3,15, x, 100, b, 1$ crore, $t$ are 
 

Perimeter $\left(P\right)$ of a square in terms of the length $\left(l\right)$ of its side is
 

Expression of $95$ added to the quotient of $q$ and $5$ is 
 

$66$ subtracted from $6$ times $y=$______
 

If $x=-3$, then the value of $2x^2+5x$ is _____
 

The number of matchsticks required to form $n$ number of squares is _____

The radius $\left(r\right)$ of a circle in terms of the diameter $\left(d\right)$ is expressed as ______
 

Ten sweets are arranged in each row in a box. The rule which shows the number of sweets if the number of rows in the box is $n$, is _____