Arithmeticmedium · Past Paper
A jacket's price is increased by 20% and then decreased by 20%. What is the net change?
ANo change
B4% increase
C4% decrease
D2% decrease
✓ Correct Answer: C — 4% decrease
Net change = x + y + (xy/100). Here 20 - 20 + (20 * -20 / 100) = -4, which is a 4% decrease.
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