As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

Different lights make me strange by changing me into different sizes. What am I?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

What can go up a chimney down, but can’t go down a chimney up?

There were three women in all the swimming costumes!
One was happy and the other two were sad!
The happy one was crying and the sad ones were smiling.
Why was this?

By what process could you make a 'Tea-Table' into food?

You are a thief and you are being punished for your crime. People have tied your head down on a tree with a rope that has been anchored in the ground. A candle is burning below the rope which is slowly burning it away. Just below your head, a Lion has been left loose and is waiting for you to drop down on the ground so he can have you as his lunch.

You have to survive the scenario. How will you do it?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"