A man dies of old age on his 25 birthday. How is this possible?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

What has lots of eyes, but can’t see?

What came first, the chicken or the egg?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

What seven-letter word has hundreds of letters in it?