UI Post-UTME Mathematics 2012 Question 12

Question 12

Number Bases

Evaluate (1112)2 − (1012)2 leaving your answer in base two.

  1. A.10
  2. B.00
  3. C.1100
  4. D.11000
Show the answer and explanation

Answer: D (11000)

Explanation

7² − 5² = 24 = 11000₂.