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?

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

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

Can you count the number of blocks in the picture below?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

I have no life, but I can die. What am I?

How many letters are in the alphabet?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?