Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Count the number of lines in the image below ?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

I look at you, you look at me, I raise my right, you raise your left. What am I?

what's the probability of getting a king or a queen from a pack of 52 cards?