How can a man go eight days without sleep?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

Solve the mathematical equation in the picture below.

I have an eye but still cannot see.

Who am I?

Which five letter word can be added at the end of below word to form a
valid word?

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what does the below math rebus puzzle mean?

I am an odd number. Take away a letter and I become even. What number am I?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

How can you tell a raw egg from a hard-boiled egg?