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UI Post-UTME Mathematics 2018 (Model questions) Question 16

Question 16

Commercial Arithmetic

A radio costs ₦16,000 and depreciates by 25% in the first year and by 20% in the second years. Find its value after 2 years

  1. A.₦10,000
  2. B.₦9,500
  3. C.₦9,600
  4. D.₦9,700
Show the answer and explanation

Answer: C (₦9,600)

Explanation

16,000 × 0.75 = 12,000, then 12,000 × 0.8 = ₦9,600.