What is the coolest letter in the alphabet?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

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

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.