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 ?
There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only. Can you find that number?
You need to move three matchsticks to form three squares. Can you do it?
The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school. What can a student say to prevent his being expelled from school?
What famous saying does this rebus mean? COME SERVED <--- COME SERVED COME SERVED COME SERVED COME SERVED
What number comes next in the series? 5 15 5 18 5 24 14 20 _
Can you count the number of triangles in the picture below?
There are 2 sand hourglasses. The small one can measure 5 hours and the large one can measure 7 hours. How can we measure 16 hours with 2 sand hourglasses running together ?
What kind of tree can you carry in your hand?
John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not. Is a married person looking at an unmarried person ?
What number when divided in half becomes zero?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.