If it took eight men ten hours to build a wall, how long would it take four men to build it?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

You bought me for dinner but never eat me. What am I?

Count the number of triangles in the below picture?

A man was convicted of a minor offence in Akbar court. Akbar decided to give him a chance. He asked him to give a statement. If the statement is true, he will be killed by lions and if it is false, he will be killed by trampling of wild elephants.

The convicted person requested help from Birbal and since the crime was not a big one, Birbal decided to help him. Whatever Birbal suggested impressed Kabir and he let the convicted person go.

What did Birbal suggest to the person?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

Can you count the number of triangles in the given picture?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

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

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?