Algebra Q#35

0. The value of a bike which was purchased 2 yr ago, depreciates at 10% per annum. If its present value is 24300 Rs. For how much was it purchased?,

Answer
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Option : C
Explanation : Let purchase price be x Rs.
Price after 1 year,
x-(10/100) × x=9x/10.
Price after II year,
(9x/10) - (10/100) × (9x/10) =81x/100.
According to the question,
81x/100 = 24300.
x=(24300 × 100)/81
x= 30000 Rs

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