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A machine valued at N20,000 depreciates by 10% every year. What will be the value...

Mathematics
JAMB 2018

A machine valued at N20,000 depreciates by 10% every year. What will be the value of the machine at the end of two years?

  • A. N16,200
  • B. N14,200
  • C. N12,000
  • D. N8,000
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Correct Answer: Option A
Explanation

Since it depreciates by 10% At the end of first year, its value = 90% of 20000

  = \(\frac{90}{100}\) x 20000 =18000

  At the end of second year, its value = 90% of 18000

  = \(\frac{90}{100}\) x 18000 = ₦16,200

  Answer is A

There is an explanation video available below.


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Explanation Video

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WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995