How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?
How many triangles are there on the puzzle below?
Can you complete the sequence puzzle? AR TA GE CA LE VI LI _
You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?
John was piloting a plane behind a car but was never able to overtake it. Why?
If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?
Count The number of F's in the paragraph below: "FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"
I’m tall when I’m young, and I’m short when I’m old. What am I?
John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?
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?
If an electric train is travelling south, then which way is the smoke going?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.