Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What does a man do only once in his lifetime, but women do once a year after they are 29?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

What is the Surname of Barbie Doll?

What Does this text mean:

important=important

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?