During which month do people sleep the least?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Can you divide the below-given shape into four equal and identical pieces?

On a special event at the prison, 5 prisoners John, Jacob, Krist, Tang, and Dang given a chance to go to a sauna and can bring one thing with them.

Following are the things that the prisoners bring with them.
John: A soda
Jacob: Thermos
Krist: Book named "How to kill"
Tang: A Walkman
Dang: Harmonica

Since it is a Sauna, no one can see each other. After a while When the steam is switched, Tang was found dead and there was blood all around.
J Bond was called and he instantly come to know who can be the murderer. How?

O_er_t_o_

Complete the missing letters of the given word.

What is full of holes but still holds water?

If 1+9+8=1, what is 2+8+9?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

How many times do a clock's hands overlap in a day ?