JAMB Mathematics 2011 Question 4

Question 4

Commercial Arithmetic

A man invested N5,000 for 9 months at 4%. What is the simple interest?

  1. A.N150
  2. B.N220
  3. C.N130
  4. D.N250
Show the answer and explanation

Answer: A (N150)

Explanation

I = PRT/100 = 5000 × 4 × (9/12)/100 = N150.