Question

Find a number whose 25%is equal to 30

Answer 1

let the no. be X

then,

25/100 × X = 30

X = 120

Answer 2

Answer :-

The number is 120

Explanation :-

Consider the number as x

$\star$ As Given in the question :

$\boxed{\sf{25\% \: of \: x = 30}}$

$\sf{\implies} \dfrac{25}{100} \times x = 30$

$\sf{\implies} \dfrac{25x}{100} = 30$

$\sf{\implies}25x = 30 \times 100$

$\sf{\implies}25x = 3000$

$\sf{\implies}x = \dfrac{3000}{25}$

$\sf{\implies}x = 120$

$\boxed{\sf{The \: number = 120}}$

$\therefore$ The number is 120

Verification :-

As we got the number, we can now verify it by solving for 25% of 120.

$\sf{\implies}25\% \: of \: 120$

$\sf{\implies} \dfrac{25}{100} \times 120$

$\sf{\implies} \dfrac{25}{10{\cancel{0}}} \times 12{\cancel{0}}$

$\sf{\implies} \dfrac{300}{10}$

$\sf{\implies}30$

We got the 25% of 120 as 30.

$\therefore$ The number is 120