What is 3/7 chicken, 2/3 cat and 2/4 goat?
What four weights can be used to balance from 1 to 30 pounds?
f you were running a race, and you passed the person in 2nd place, what place would you be in now?
Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?
With the help clues provided in the image, can you find the 5 digit key?
I possess a head I flaunt a tail But I don't have mouth or legs Can you find out who I am?
If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten. How is this possible?
I am a five-letter word under you, Remove the first letter and I am above you, Remove the second as well and I am around you. Who am I?
Look at this sequence from top to bottom. What is the next number in the sequence? 1 11 21 1211 111221 312211
A pregnant woman is preparing to name her seventh child. Her children's names so far are Dominique, Regis, Michelle, Fawn, Sophie, and Lara. What will she name her next child -- Jessica, Katie, Abby or Tilly?
How many letters are in the alphabet?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
