JAMB Mathematics 2011 Question 3

Question 3

Fractions, Decimals and Approximation

Simplify (3⅔ × 5/6 × ⅔)/(11/15 × ¾ × 2/27)

  1. A.6⅔
  2. B.30
  3. C.4⅓
  4. D.50
Show the answer and explanation

Answer: D (50)

Explanation

The top is 11/3 × 5/6 × 2/3 = 55/27 and the bottom is 11/15 × 3/4 × 2/27 = 11/270. Dividing: 55/27 × 270/11 = 50.