What happened when the wheel was invented?
I throw two dice simultaneously. What is the probability of getting a sum as 9 of the two numbers shown?
Jenifer and Jesica are having a conversation. Jenifer: I am definitely not over 30. Jesica: I am 28 and you are surely 5 years older to me at least. Jenifer: No, you are at least 29. You are told that both of them are lying throughout in the conversation. Can you find their respective ages?
If Japan and Panama decided to merge into a single country, probably people will name it Japanama. Can you think of two more such country's unions that could produce similar names like Japanama by overlapping their three letters?
Can you count the number of squares in the given picture?
Solve the counting riddle by identifying the number of triangles in the given picture.
John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?" While Bella does not know the answer, do you ?
I don't get anymore wetter, no matter how much rain falls on me.
Which city is three-fifths chick two third cat and 50% goat?
Why Aeroplane windows are round?
Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
