Question

20. The salary of an officer is increased by 20% By what percentage should the new salary be
reduced to restore the original salary?​

Answer 1

Question :-

The salary of an officer is increased by 20% By what percentage should the new salary be reduced to restore the original salary?

Answer :- 16.66%

______________________________________

Solution :-

Let Suppose an Amount = 100 Rupees.

According to The Question

We get Equation

= It increase by 20%

=> 100 + 20% of 100 = 120

= It decrease by 20%

=> 120 - 100

=> 20

Required Percentage % =

$20 \times \frac {100}{120}$

=>

$20 \times \cancel \frac{100}{120}$

=> 16.66%