Common EntranceMathematicsNumber Bases

Add 101 (base two) and 11 (base two). Give the answer in base two.

A112
B110
C1000CORRECT
D1100
AI
Toaster Teacher
Why the answer is C, and why the others tempt you.
101 (base two) = 5 and 11 (base two) = 3. 5 + 3 = 8, and 8 in base two is 1000.
Want this in Pidgin, Yoruba, Igbo or Hausa? Sign up free →

Practice more Mathematics questions

Common Entrance Mathematics has thousands more questions like this — with Worked answers on every one.