JAMB Mathematics 2007 Question 36

Question 36

Number Bases

Evaluate 101122 − 10122.

  1. A.1100002
  2. B.1102
  3. C.11000002
  4. D.110002
Show the answer and explanation

Answer: C (11000002)

Explanation

10112 = 11 and 1012 = 5. 121 − 25 = 96 = 64 + 32 = 11000002.