What has one letter and starts with an E?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

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?

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

In a Society, there are over 100 flats.

Flat 1 is named the first flat.
Flat 2 is named the second flat.
Flat 3 is named the third flat. And So On.....

A visitor decides to walk through all the flats, and he finds all the flats except flat 62.
Anmol later founds that the locals of the town have given it another name.

What is the name of the Flat?

why number 8549176320 is one of a kind?

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

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?