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Question

Tick the correct answer in each of the following: 

The value of a machine depreciates at the rate of 20% per annum. It was purchased 2 years ago. If its present value is Rs 40000, for how much was it purchased?

(a) Rs 56000        (b) Rs 62500        (c) Rs 65200        (d) 56500


Solution

Present value = Rs. 40000Rate of depreciation (R) = 20% p.q. Value of machine 2 years ago= A ÷ (1R100)n=Rs. 40000 ÷ (120100)2=Rs. 40000 ÷ (45)2=Rs. 40000×54×54=Rs. 62500                                  (b)


Mathematics
Secondary School Mathematics VIII
Standard VIII

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