Question

30. The value of a machine depreciates at the rate of 10% per annum. It was purchased 3 years
ago. If its present value is 291600, for how much was it purchased?​

Answer 1

Answer:

300000

Explanation:

Here,

Present value of a machine(A)

=Rs 291600

Rate of depreciates = 10%

Time = 3 years

It was purchased in(P)

= A/{(1-r/100)^n}

= 291600/{(1-10/100)^3}

= 291600/{(90/100)^3}

= 291600/{(9/10)^3}

= 291600/(729/1000)

= 291600×(1000/729)

= 300×1000

= Rs 300000 [ans]