who is silent in the parliament?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

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?

What building has the most stories?

What has lots of eyes, but can’t see?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?