As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.
Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?
By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"
What begins with T, ends with T, and has T in it?
During which month do people sleep the least?
f you were running a race, and you passed the person in 2nd place, what place would you be in now?
How many times in a given day, minutes and hour clock comes in a straight line ?
Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time. However, they still manage to cross the river. How is it possible?
A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child. Where's the father?
When is the top of a mountain similar to a savings account?
A quarter is one-fourth of a dollar but Mr. John has changed the equation as below : DOLLAR * 4 = QUARTER Can you replace each letter with a digit to make the above solution correct?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.