What goes up but never comes down?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

What is the fastest way to double your money?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

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

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?