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

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

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?

What is wrong in the below Picture?

Which part of London exists in France as well ?

There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

What will you call your mother's brother's brother-in-law?

Replace the question mark with the correct number in the below-given picture?

What type of tree can I carry in my hand?