What runs around the whole yard without moving?
Remove two matchsticks to make the below equation correct.
How is a fly different from a mosquito?
I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?
A sundial has the fewest moving parts of any timepiece. Which has the most?
A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!†Who is the man in the portrait?
What common phrase is represented by the below lines Easy going: Weak, 'I'm going.' Tough, 'I'm staying.' Medium going: Weak, 'I'm going.' Tough, 'I'm staying.' Tough going: Weak, 'I can't do it, I'm staying!' Tough, 'Let's get going.'
I have branches, but no fruit, trunk or leaves. What am I?
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?
There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across. How?
0 0 0 = 6 1 1 1 = 6 2 2 2 = 6 3 3 3 = 6 4 4 4 = 6 5 5 5 = 6 6 6 6 = 6 7 7 7 = 6 8 8 8 = 6 9 9 9 = 6 You can use any mathematical symbols in the space provided to make all above algebraic expressions true.
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.