I look at you, you look at me, I raise my right, you raise your left. What am I?

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

Can you write down eight eights so that they add up to one thousand?

What do the following words have in common?

Assess
Banana
Dresser
Grammar
Potato
Revive
Uneven
Voodoo

what does this picture(rebus) riddle means ?

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 ?

What four weights can be used to balance from 1 to 30 pounds?

What is harder to catch the faster you run?