There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

I don't get anymore wetter, no matter how much rain falls on me.

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?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

Which letter of the alphabet has the most water?

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