Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

What Does this text mean:

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Replace the question mark with the correct number below.

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

Can you count the number of blocks in the picture below?

How do you go from 98 to 720 using just one letter?

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