Question

The number which exceeds 20% of itself by 40, is

Answer 1

Let the required number be x

Then, \(x - \frac{20\ x}{100} = 40\)

\(\frac{100\ x - 20\ x}{100} = 40\)

\(80 \ x = 40 \times 100\)

\(x = \frac{40 \times 100}{80}\)

\(\therefore \ x = 50\)