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 ?
A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?
How can I get the answer 24 by only using the numbers 8,8,3,3? You can use the main signs add, subtract multiply and divide.
If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age. How old will John be two years from now?
Use only one mathematical symbol and all numbers (0-9) to get a sum of 99
Using the clues below, what four numbers am I thinking of? The sum of all the numbers is 31. One number is odd. The highest number minus the lowest number is 7. If you subtract the middle two numbers, it equals two. There are no duplicate numbers.
A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container. If you are asked to pick two eggs randomly from the container, at least one of them will be rotten. Can you calculate how many eggs in that container are fresh?
How many letters are in the alphabet?
Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months
Can you decipher the two rows to find the hidden word?
At my favorite fruit stand, an orange costs 18, a pineapple costs 27, and a grape costs 15. Using the same logic, can you tell how much a mango costs?
The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.