JAMB Mathematics 2010 Question 3

Question 3

Fractions, Decimals and Approximation

Simplify (3/4 of 4/9 ÷ 9½) ÷ 1 5/19.

  1. A.1/25
  2. B.1/4
  3. C.1/5
  4. D.1/36
Show the answer and explanation

Answer: D (1/36)

Explanation

3/4 of 4/9 = 1/3. 1/3 ÷ 19/2 = 2/57, and 2/57 ÷ 24/19 = 2/57 × 19/24 = 1/36.