How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

81 x 9 = 801. What must you do to make the this equation true?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

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.

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

There are forty elephants and they have forty-fore heads. How can this be possible?