What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?
Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?
Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?
A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result. Can you find how bias is the floor in this case?
Can you find the key in the picture below?
f you were running a race, and you passed the person in 2nd place, what place would you be in now?
If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?
What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?
Can you complete the sequence? 192, 021, 222, 324, 252, 627, 2__, 9__?
A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs. In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects. Can you find out how many animals are there in the zoo?
If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?
The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.
