When a number is increased by x%, by what percent the resultant should be decreased in order to get original number?
Answer & explanation
Correct answer: option 3
Let Original number = 100
Increased number = 100 (+x%) = 100 + x
To get the original number, increased number should be decreased by = x
Therefore,
⇒ The number should be decreased by = \(\frac{x}{100+x}\) × 100 = \(\frac{100x}{100+x}\) %