Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

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

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

What does below chemistry rebus means?

O_er_t_o_

Complete the missing letters of the given word.

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

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

Why is a river so rich ?