Hard Riddles — Can You Solve Them?

When I take five and add six, I get eleven, but when I take six and add seven, I get one. What am I?

A sundial is the type of timepiece that has the fewest moving parts. What type of timepiece has the most moving parts?

The combined age of Jack and John is 49. Jack is twice as old, as John was when Jack was as old as John is now. How old are the brothers?

What is harder to catch the faster you run?

What goes around and in the house, but never touches the house?

You have to travel far before you turn it over. What is it?

You want to hire a temporary employee for one month. You offer him reasonable wages, but the employee suggests an alternative. For the first day of work, he wil...

My sister has two children. I had two children. My brother has two children. My cousin has two children. Wow, that's a lot of children! How many children are th...

The shorter I am, the bigger I am. What am I?

Under pressure is the only way I work, and by myself is the only way I am hurt. What am I?

Alone I am 24th, with a friend I am 20. Another friend and I am unclean. What am I?

What has thousands of ears but can't hear anything?

Although glory but not at my best. Power will fall to me finally, when the man who made me is dead. What am I?

If it were three hours later than it is now, it would be twice as long until midnight as it would be if it were four hours later. What time is it now?

As I went across the bridge, I met a man with a load of wood which was neither straight nor crooked. How is this possible?

What is broken but right two times a day?

Although I'm far from the point, I don't make mistakes, I fix yours. What am I?

What is the only word in the English language that has 6 letters, all in alphabetical order?

Find an English word that uses all of the following letters: PNLLEEEESSSSS

You have two ropes. Each rope can burn in exactly one hour. The ropes are not of the same length or width. Both ropes are also not of uniform width or thickness...

What makes my left hand, my right hand?

Each letter in the below equation stands for a different number, and each time the same letter appears, it is the same number. What is the only set of numbers t...