Q13 of 110 Page 48

A company purchases an office copier machine for ₹50,000. It is estimated that the copier depreciates in its value at a rate of 15% per year. What will be the value of the copier after 15 years?

∵ there is annual depreciation at a constant rate per year



⇒ consecutive value are forming G.P.



Now,a15 = ?


∵ an = a1rn-1 (n = no. of term, a1 = first term of G.P, r = common ratio)





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