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?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Can you solve the below geography rebus by decoding the below rebus ?

Who has married many women but was never married?

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

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?