If a number is increased by 25% and the resulting number is decreased by 25%. th

Question

If a number is increased by 25% and the resulting number is decreased by 25%. then the percentage increase or decrease finally is

Options:

A . decreased by $6{1}/4$%

B . increased by 6%

C . increased by $6{1}/4$%

D . no change

Answer: Option A
Answer: (a)
Using Rule 4,
Effective value = $(x + y +{xy}/100)$%

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