Can you convert the number zero(0) into a positive number using just one mathematical operator ?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?

A sundial has the fewest moving parts of any timepiece. Which has the most?

Can you count the number of triangles in the given picture?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

Why is the Hole below a Lock?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?