Question
A quantity is increased by 25% and afterward decreased by
10%. What is the overall percentage change in the original quantity?Solution
ATQ,
Let the quantity be '100b'
Final quantity = 1.25 × 0.9 × 100b = '112.5b'
Required percentage increase = [(112.5b - 100b) ÷ 100b] × 100 = 12.5%
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