passwella.
Menu

JAMB Mathematics 1989 Question 1

Question 1

Fractions, Decimals and Approximation

Which of the following is in descending order?

  1. A.9/10, 4/5, 3/4, 17/10
  2. B.4/5, 9/10, 3/4, 17/20
  3. C.9/10, 17/20, 4/5, 3/4
  4. D.4/5, 9/10, 17/10, 3/4
Show the answer and explanation

Answer: C (9/10, 17/20, 4/5, 3/4)

Explanation

As decimals, 9/10 = 0.9, 17/20 = 0.85, 4/5 = 0.8 and 3/4 = 0.75. Only option C goes from largest to smallest.