What is both possible and impossible at the same time?

Why do you find that most of the buildings are deprived of the 13th floor?

Replace the question mark with the correct number in below Picture:

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

what one word does the below rebus identifies?

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

What is next number in the pattern below:

131 517 192 123 ?

Can you decipher the following common phrase?

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

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

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