Variables

Value of $p^2-3q+7$ is _____ when $p=3$ and $q=2$.

Value of $4m-3n$ is _____ when $m=9$ and $n=6$.

Evaluate $5x+13$ when $x=7$.

In algebra, the letters $a,b,c, \dots .. x,y,z$ are used to represent ?

Raghav reaches late to school $3$ days in a week. The number of days he is late in $x$ weeks is _____.

Write the algebraic expression for the statement "$8$ times a number $n$".

The literal coefficient in $-5xy$ is _____ .

A teacher asked the students to count the fruits in the picture given below:

This question deals with which branch of mathematics?

Draw a line segment which is 5 cm in length.This question deals with which branch of mathematics?

Which one of the following is related to algebra?

A teacher asked her students to multiply two numbers: 325 and 12. This question deals with which branch of mathematics?

Write the following using numbers, literals and signs of basic operations:

$7$ taken away from $x$.

Write the constant term of the algebraic expression $x^3-3x^2+5x+7$.

Sita is $x$ years of age now, $7$ years after her age will be

Santosh wishes to arrange books in a bookshelf in rows of $6$ books each.

Find the rule that gives number of books that can be put in the bookshelf.