What occurs twice in a week, once in a year but never in a day?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

How many triangles can you find in this given picture?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?