Rob is taller than Edwin, and Jurgen is shorter than Rob. Of only one of the following statements, we now certainly know it is correct: A.Edwin is taller than Jurgen B.Jurgen is taller than Edwin C.It cannot be determined if Jurgen or Edwin is the tallest.
If it took eight men ten hours to build a wall, how long would it take four men to build it?
I have eight fingers and two thumbs but I do not live. What Am I?
What is the longest word in the dictionary?
In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?
Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal? Note: 9 cannot be turned over to make it 6.
Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days. When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning. Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?
What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?
Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?
On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins. Can you tell me how many 20-paisa and 25-paisa he got?
Replace the (?) with the correct mathematical signs to make the expression equal to 59. 18 ? 12 ? 4 ? 5 = 59
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.