There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

What runs around the whole yard without moving?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

What word is pronounced the same if you take away four of its five letters?

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?

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

Which is the correct shadow of the bird?

Which letter of the alphabet has the most water?