Introduction to Variables

The wrong expansion of the algebraic expression $13x$ is

Akhil has $300$ pens. He sells $w$ pens every day. Which of the following expression shows the number of pens left with him after $n$ weeks?

Think of two numbers. To $4$ times the first number add $6$ and subtract the other number subsequently. Find the resulting algebraic expression.

Find the value of the expression $5x+\frac{8}{4x}+\frac{x}{2}$ if $x=2$.

Write an algebraic expression for the expression, one-fourth of a number is added to one third of the same number.

$5$ is a constant quantity.

$x$ is a constant quantity.

$x^5$ is a constant quantity.

$\left(\mathrm{x}+5\right)$ is a constant quantity.

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 $x$.

Identify the variables and constants in the following statements ${\mathrm{a}}^3{\mathrm{b}}^5$

Identify the variables and constants in the following statements ${\mathrm{m}}^4{\mathrm{n}}^2$