2, 3, 5, 9, 17, _ What is the next number in the sequence?
Which five letter word can be added at the end of below word to form a valid word? > Pin > Check > Boiling > View
Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?
Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal? Note: 9 cannot be turned over to make it 6.
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?
John is found dead in a bare field. Nobody killed John, John did not commit suicide. Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?
I go up and I go down. I go up towards the beautiful sky and down toward the green ground. I am present tense. I am past tense too Children love me. Who Am I?
What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?
I have eight fingers and two thumbs but I do not live. What Am I?
Solve the equation by replacing the alphabet with numbers. MOM + MOM + NO = BOOK=
Who is that with a neck and no head, two arms and no hands? What is it?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
