On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

Replace the question mark in the picture below.

What can jump higher than a building?

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

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

If you had an infinite supply of water and 5-quart and 3-quart pails, how would you measure exactly 4 quarts? What is the least number of steps you need?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

You see me once in June, twice in November, and not at all in May. What am I?

Which tank will fill first?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.