What numbers should go on the bottom line? 3 6 9 15 8 2 10 12 11 8 19 27 19 10 29 39 ? ? ? ?
John is the son of Jacob. So, Jacob is the_____of John's father?
I travel all around the world but always stay in the corner. What am I?
How many triangles can you count in the figure given?
What goes up but never comes down?
When is the top of a mountain similar to a savings account?
Do you know who was buried in John's tomb?
A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?
I am white when I am dirty, and black when I am clean. What am I?
A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result. Can you find how bias is the floor in this case?
Complete the series by replacing "?" with the correct number. ST ND RD TH '?'
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
