Can you solve the photo plexer logic ?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

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 ?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

Take away the whole and some still remain. What is it?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Decode the below four famous ciphers:

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