Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.
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 do you call a fish without an eye?
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 ?
By what process could you make a 'Tea-Table' into food?
I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?
What number comes next in this sequence: 7 8 5 5 3 4 4 _
A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it. How can he do that?
How is the moon similar to a dollar?
Krish is 45 years old and his mother Crishtina is 73 years old. Can you find out how many years ago, his mother was three times his age?
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 ?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.