How many triangles are there on the puzzle below?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

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

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

Can you make four (4) nines (9) equal 100?

What is red and smells like blue paint?

Can you place three balls such that the equation shown in the picture holds true?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211