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

What does it mean?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

When does a USA Potato change its nationality?

How can you make number one disappear by adding something to it?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

Which word does the below Plexor means ?

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

What has hands, but can’t clap?