It is always ahead of me yet I can never see it. What is it?

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 ?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

What demands an answer, but asks no questions

You need to arrange three 7 and mathematical symbols to form number 1?

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

What does this rebus puzzle means ?