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?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

In which direction should the missing arrow point?

Name a key which is hardest to turn.

Solve the following series:
AZ, GT, MN, __, YB

Count the number of lines in the image below ?

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag