During which month do people sleep the least?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

There are 4 big houses. They are made from the materials: red marble, green marble, white marble and blue marble.

* Mrs Jennifer's house is somewhere to the left of the green marble one and the third one alone is white marble.
* Mrs Sharon owns a red marbles house and Mr Cruz does not live at either end, but lives somewhere to the right of the blue marbles house.
* Mr Danny lives in the fourth house, while the first house is not made from red marble.

Who lives where, and what is their house made from?

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

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

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

If your uncle’s sister is not your aunt, what relation is she to you?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Take one out and scratch my head, I am now black but once was red. What am I?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.