Can you find out the total number of triangles in the given figure?

Can you fill the blank with the correct number?

6 30 870 756030 _____

What have one eye but still cannot see?

Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?

Two old friends, Jack and Bill, meet after a long time.

Three kids
Jack: Hey, how are you, man?
Bill: Not bad, got married and I have three kids now.
Jack: That's awesome. How old are they?
Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date.
Jack: Cool..But I still don't know.
Bill: My eldest kid just started taking piano lessons.
Jack: Oh, now I get it.

How old are Bill's kids?

What is the riddle which can be asked all day with a different correct answer each time.

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Why is the longest human nose just 11 inches?