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# The Cost of a Machine Depreciated by Rs 2592 During the Third Year and by Rs 2332.80 During the Fourth Year. Calculate - Mathematics

Sum

The cost of a machine dep reciated by Rs 2592 during the third year and by Rs 2332.80 during the fourth year. Calculate :

The cost at the end of the fourth year.

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#### Solution

Here, P =Rs 32,000; r = 10 % ; t = 4 years

"A" = "P" (1 + "r"/100)^"n"

"A" = "Rs"  32000 (1 - 10/100)^4

A= Rs 32, 000 x 0.9 x 0.9 x 0.9 x 0.9

A= Rs 20,995.20

Cost at the end of the fourth year = Rs 20, 995.20

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#### APPEARS IN

Frank ICSE Class 10 Mathematics Part 2
Chapter 1 Compound Interest
Exercise 1.4 | Q 12.3 | Page 13
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