Rearrange the letters in "new door" to make one word.
When 99 is considered higher than 100?
You measure my life in hours I serve you by expiring I vanish faster when I am thin and slower when I am thick The wind is my energy What am I?
Why is 6 afraid of 7?
I’m tall when I’m young, and I’m short when I’m old. What am I?
If nine thousand, nine hundred nine dollars is written as $9,909, how should twelve thousand, twelve hundred twelve dollars be written?
Why are all black people so quick ?
John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?
In the image given, you can find several triangles. Can you count them all?
Check out the number list below and find what number comes next in the sequence. 111 , 113 , 117 , 119 , 123 , 137 , ?
John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight. What is the weight of the chemical mixture now?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
