🔴 Hard Riddles with Answers

Can you find the last number in the number sequence given below? 10 : 10 : 20 : 45 : 110 : 300 : ?

A king has no sons, no daughters, and no queen. For this reason he must decide who will take the throne after he dies. To do this...

A thief enters a shop and threatens the clerk, forcing him to open the safe. The clerk says, "The code for the safe is different e...

An interesting formula for generating a good many (but not all) primes is n2 + n + 41. If we plug in consecutive integers 1, 2, 3,...

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 chil...

Take 9 from 6, 10 from 9, 50 from 40 and leave 6.

You want to hire a temporary employee for one month. You offer him reasonable wages, but the employee suggests an alternative. For...

In a pond there are some flowers with some bees hovering over the flowers. How many flowers and bees are there if both the followi...

Question: If you randomly choose one of the following answers to this question, what is your chance of getting it right? A) 50% B...

I'm teary-eyed but never cry. Silver-tongued, but never lie. Double-winged, but never fly. Air-cooled, but never dry. What am I?

Walking home one day, you take a short cut along the train tracks. The tracks cross a narrow bridge over a deep gorge. At the poin...

George, Helen, and Steve are drinking coffee. Bert, Karen, and Dave are drinking soda. Is Elizabeth drinking coffee or soda?

If half of five was two what would a third of ten be?

What is the significance of the following: The year is 1978, thirty-four minutes past noon on May 6th.

A man is writing a letter. The power goes off and he dies. Why?

You see a boat filled with people. You look again, but this time you don't see a single person on the boat. Why? Hint: The boat h...

First tell me who lives in disguise, who deals in secrets and tells naught but lies. Next, give me the sound often heard during t...

There are two doors and there is one guard for each door. One door leads to life and the other leads to death. You have only one q...

Of all the numbers whose literal representations in capital letters consists only of straight line segments (for example, FIVE), o...

A snail is at the bottom of a 20 meters deep pit. Every day the snail climbs 5 meters upwards, but at night it slides 4 meters bac...

What row of numbers comes next? 1 11 21 1211 111221 312211 13112221

What is it that goes up and goes down but does not move?

A man gave one son 10 cents and another son was given 15 cents. What time is it?

You came to a fork in the road. One path leads to your destination, the other to a cliff 200 km away. There are two people there s...