I shave every day, but my beard stays the same. What am I?

When is the top of a mountain similar to a savings account?

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?

Find the next number in the following series:
6, 14, 26, 98, __?

81 x 9 = 801. What must you do to make the this equation true?

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

In the picture given below, can you find out which digit will take place of the question mark?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

Make a sentence consisting of three words that have the whole alphabet.