Arithmeticmedium · Past Paper
A number is first increased by 10% and then decreased by 10%. What is the net change percentage?
ANo change
B1% increase
C1% decrease
D2% decrease
✓ Correct Answer: C — 1% decrease
Net change = x + y + (xy/100). Here, 10 - 10 + (10*-10)/100 = -1% (decrease).
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