JAMB Mathematics 1988 Question 1

Question 1

Fractions, Decimals and Approximation

Simplify
1½/(2 ÷ 1/4 of 32)

  1. A.3/256
  2. B.3/32
  3. C.6
  4. D.85
Show the answer and explanation

Answer: C (6)

Explanation

"Of" comes first: 1/4 of 32 = 8. Then 2 ÷ 8 = 1/4, and 1½ ÷ 1/4 = 3/2 × 4 = 6.