Riddle

I am an odd number. Take away a letter and I become even. What number am I?

Choose an answer

A.Nine
B.Five
C.Eleven
D.Seven
Hint: It's a word with 5 letters, starting with "S".

Answer

Seven

Why this is the answer

Spell the word 'Seven' and remove the 's'.

This riddle is filed under Hard/Difficult Riddles and rated Medium.