Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water. How many frogs are there on the log at this moment?
If eleven plus two equals one, what does nine plus five equal?
I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60. One of them is 20+20+20. whats the other way ?
How many sides does a circle have?
In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.
Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months
How many letters are in the alphabet?
Can you find the missing piece of the Porsche?
Begin with a word, five letters to my name, Remove the first and last but I am the same Take out my middle and still, I remain. What word am I?
There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?
What word begins and ends with an E, but has only one letter?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.