Solve this riddle by finding the odd one out from the rest.

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

I have branches, but no fruit, trunk or leaves. What am I?

Replace the question mark with the correct number in below Picture:

Out of four images which one is the odd one out?

What is always in front of you but can’t be seen?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Can you solve the rebus below?