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?

The more of this there is, the less you see. What is it?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

There are forty elephants and they have forty-fore heads. How can this be possible?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

Replace the question mark with the correct number below.

John was drowned by he was not wet. How?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?