What does this mathematical rebus means ?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

Can you count the number of triangles inside a triangle?

Can you find the company name in the pictogram below?

how come the second man dies?

What seven-letter word has hundreds of letters in it?

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?

Out of three Friends John, Jacob and Jonny one of them is a king, one is a bureaucrat, and one is a Spy.

The king always tells the truth, the bureaucrat always lies, and the Spy can either lie or tell the truth.

John says: Jonny is a bureaucrat
Jacob says: John is a king
Jonny says: I am a Spy

Tell me, Who is the king, who is the bureaucrat, and who is the Spy?