MathRiddle #1005
Add me to myself and you get the same answer as multiplying me by myself. I'm not zero. What number am I?
Hint: Try the small numbers first.
Answer
Two
2 + 2 = 4 and 2 × 2 = 4. Zero also works, but the riddle rules it out.
Did you get it?
Nice work. On to the next one.
Got you this time. Try the next one.
