It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?
What is wrong in the below Picture?
A network of 20 x 10 squares is given to you. Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?
If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?
Can you complete the sequence puzzle? AR TA GE CA LE VI LI _
You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'. S E Q U E N C _
Be active and find the killer in the picture Riddle below.
My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?
What has a bottom at the top?
Can it be possible to build a house that has all its four walls facing towards the South?
Which is faster, Heat or Cold ? Explain.
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.