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 count the number of matches in the picture below ?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

Can you solve the photo plexer logic ?

Can you find out the number that should replace the question mark with a valid reason?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Count the number of squares in the picture below.

Can it be possible to build a house that has all its four walls facing towards the South?

If 1+9+8=1, what is 2+8+9?