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Question

The value of machine depreciates 10% every year. If its present value is Rs.38700, what was its value 1 year ago?.

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Solution

Let us suppose the value of the machine 1 year ago be 'x'
10% of x =x×10100=x10
As per question
xx10=38700
9x10=38700
9x=387000
x=3870009
x=43000
Hence the value of machine 1 year ago will be Rs.43000

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