Count the number of triangles in the picture below:

What is the next number in the series?

15 29 56 108 208 ?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Can it be possible to build a house that has all its four walls facing towards the South?

Find the next number in the sequence

5 12 24 36 ?

What does this mean?

CCCCCCC

500 women soldiers are arranged in an array of ten rows and fifty columns in accordance with their respective heights. Now, the tallest woman from each row is asked to move out in the front. From them, the shortest one is labelled as Alpha. They are then asked to resume their original position.

Now, the shortest woman in each column is asked to come out in front. The tallest among them is labelled as Beta.

Can you find out if Alpha will be taller or Beta?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

Prove that twice of ten is the same as twice of eleven.