Arithmeticmedium · Past Paper
The value of a car depreciates from Rs 500,000 to Rs 405,000 in 2 years. Find the annual rate of depreciation.
A8%
B9%
C10%
D12%
✓ Correct Answer: C — 10%
405/500 = (1 - r)^2 => 0.81 = (1 - r)^2 => 0.9 = 1 - r => r = 0.1 = 10%.
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