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 has 13 hearts but no other organs?

What does man love more than life, hate more than death or mortal strife; That which contented men desire; the poor have, the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?

Count the number of triangles in the given picture.

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

Be active and find the killer in the picture Riddle below.