What question can you never answer yes to?

I am sure no one can have two things for dinner. what are they?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Who has married many women but was never married?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

Solve the rebus below.