If An organization increases its staff salary by 25% . By what percent must it now decrease the salary to return to the original amount ?

If An organization increases its staff salary by 25% . By what percent must it now decrease the salary to return to the original amount ? Correct Answer 20

Let's consider the salary of an officer to be 100. So, If the salary is increased by 25%, then the new salary - 100 + [100 × (25/100) ] = 100 + 25 = 125 So, his new salary is 125 To make his salary original 25 must be subtracted from 125, then his salary will be 125 - 25 = 100 or original salary. So, To find the percentage of salary which must be decreased we must find that 25 is what percentage of 125. So, decrease% = (25/125) × 100 = 1/5 × 100 = 20% Answer) 20% of his new salary must be deducted so that his salary becomes Original.
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