I have nine bottles of wine and one of the nine bottles is poisoned. I need to find the poisoned bottle with two facts (1) Poison is deadly, only a sip will cost death (2) I have two mice to do so. How should I do it?
Find the missing number in the image below.
Can you find the odd number in the following five choices? 1) 482636 2) 259807 3) 865195 4) 104739 5) 391744
When it is alive we sing, when it is dead we clap our hands. What is it?
There are five vowels (a, e, i, o, u) in the English language. Can you tell us a word that contains all these vowels?
What is at the end of a rainbow?
0 0 0 = 6 1 1 1 = 6 2 2 2 = 6 3 3 3 = 6 4 4 4 = 6 5 5 5 = 6 6 6 6 = 6 7 7 7 = 6 8 8 8 = 6 9 9 9 = 6 You can use any mathematical symbols in the space provided to make all above algebraic expressions true.
Look at this sequence from top to bottom. What is the next number in the sequence? 1 11 21 1211 111221 312211
Count the number of triangles in the below picture?
Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?
What demands an answer, but asks no questions
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.