Arithmeticmedium · Past Paper
If the population of a town increases by 10% in the first year and 20% in the second year, find the effective growth rate for 2 years.
A30%
B32%
C35%
D25%
✓ Correct Answer: B — 32%
Effective rate = (1.1 * 1.2) - 1 = 1.32 - 1 = 32%.
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