What does below pictogram mean?

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 much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Count the number of balls in picture below:

Alex is stranded on an island covered in forest.
One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.

There are cliffs around the island, so he cannot jump off.

How can the Alex survive the fire? (There are no buckets or any other means to put out the fire)

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

What is the next shape from answers A, B, C, and D figure?

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?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?