Question

Frame an equation: - A number when increased by 21 becomes 45.

• A. $x-21=45$
• B. $21x=45$
• C. $\frac{x}{21}=45$
• D. $x+21=45$

Answer 1

The correct option is D

$x+21=45$

Let the number be $x$. When it is increased by 21, it equals 45

$\Rightarrow$ $x+21=45$ is the required equation.