What is full of holes but still holds water?
I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?
Replace the 'X' with any mathematical symbol to make the expression equal to 111. 18 X 12 X 2 X 3 = 111
If one and a half boys, eat one and a half burgers in one and a half hours. How many burgers can 9 boys eat in 3 hours?
I don't get anymore wetter, no matter how much rain falls on me.
How is a fly different from a mosquito?
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 are two words one resembles the "state of rest" and the other is related to "writing/reading material". Can you name these two words which also sound similar?
Can you circle exactly four of these numbers such that the total is twelve? 1 6 1 6 1 6 1 6 1 6 1 6
What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?
P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
