How many triangles are there on the puzzle below?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

What does this mathematical rebus means ?

Which fur should we be getting from the Lion?

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

What is the next number in the series?

15 29 56 108 208 ?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

What does this rebus means ?

PROG WORKRESS