Can you solve this picture maths equation?

Count the number of triangles in the given picture.

A girl was sitting in her hotel room when she heard a knock on the door. She opened the door and found that a man was standing outside.
The man said, "Oh! I am really sorry, I thought this was my room."
He then walked through the corridor to the elevator. The girl did not know the man. She closed her door and called security asking them to apprehend the man.
What made her suspicious of that man? He might have been genuinely mistaken.

Can you count the number of triangles in the given figure?

A man comes across a coin that is dated 226 B.C. Can you calculate its worth?

Through your logical capabilities, can you make 7 an even?

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?

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?

What can jump higher than a building?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?