Question

a new computer costs 60000 rs. The depreciation is 40% every year. Find the price of the computer after 2 years?

Answer 1

Its value will be 21600 after 2 years.

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Answer 2

$\underline \bold{Solution:-}$

Cost of computer (P) = 60000rupees

Time = 2 years

Rate of depreciation = 40 %

Amount

$= p {(1 - \frac{rate}{100}) }^{time} \\ \\ = 60000 {( 1-\frac{40}{100}) }^{2} \\ \\ = 60000 {( 1- 0.4) }^{2} \\ \\ = 60000 \times {0.6}^{2} \\ \\ =21600$

After 2 years it's cost will be 21600 rupees.