What month of the year has 28 days?
Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months
Can you find out the missing number? ? 4 5 3 5 9 5 7 10 3
What four weights can be used to balance from 1 to 30 pounds?
A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?
Find the next number in the series below 21 32 54 87 131 ?
If eleven plus two equals one, what does nine plus five equal?
It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?
Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?
What is always in front of you but can’t be seen?
The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels. RDSH GGPLNT TMT NN Hint: All of them are vegetables.
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.