John is the son of Jacob. So, Jacob is the_____of John's father?
What part of the chicken has the most feathers?
What part of Turkey has the most feathers?
What can you see in the middle of March and April that you can never see in any other month?
Mr Red Lives in the red house. Mr Green Lives in the greenhouse. Mr Yellow Lives in the yellow house. Who lives in the Whitehouse?
Which part of London exists in France as well ?
Rearrange the letters in "new door" to make one word.
How many words can a pen with half refill write?
What's the best place to go shopping in the ocean?
If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?
The peacock is a bird that does not lay eggs. How do they get baby peacocks?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.