Q16 of 52 Page 117

present price of a machine is ₹2p and if price of the machine decreases by 2r% in each year, the price of machine will be.

We know that after depreciation, the price of machine after n years


Where p = present price of machine, r% = rate of decrease in a year and n = number of years.


Given p = ₹2p and r% = 2r%


⇒ Price of machine after n years


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