What begins with T, ends with T, and has T in it?

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?

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

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

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

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

Which Burger Is Different in below image?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?