Question

10. A number is increased by 20%. By what percentage should the increased number be decreased to get the original number?


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Answer 1

Answer:

16.666 %

Step-by-step explanation:

Let the original number be : x

Increased no : 120% of x = [6x/5]

Decrease % = [(Change in percent) / (Initial %)] * 100

Therefore change = (6x/5)-x ===>>> x/5

Initial ===>>> 6x/5

Using formula x/5*5/6x*100

===>>> 100/6

===>>> 16.666 %