Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

Can you decipher the following common phrase?

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

What has many keys but can’t open a single lock?

Why is a river so rich ?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

I have feet, but no legs. Which animal Am I?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

What is the probability of getting five Mondays in a 31-day month?