How many times can you subtract the number 5 from 25?

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

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

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

What always comes into a house through the keyhole?

Which is heavier: a ton of bricks or a ton of feathers?

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"

In the picture given below, can you find out which digit will take place of the question mark?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111