JAMB Mathematics 2008 Question 1

Question 1

Number Bases

Add 11012, 101112 and 1112

  1. A.1110112
  2. B.1101102
  3. C.1010112
  4. D.1010102
Show the answer and explanation

Answer: C (1010112)

Explanation

In base ten the numbers are 13, 23 and 7, which add to 43 = 32 + 8 + 2 + 1 = 1010112.