Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

A woman lives in a Tall building thirty-six floors high and 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?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

What number do you get when you multiply all of the numbers on a telephone's number pad?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

Find the 8 in the below-given Image.

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3