How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

What is next number in the pattern below:

131 517 192 123 ?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

Why 1729 is a magic number? Answer Logically.

Six people park their car in an underground parking of a store. The store has six floors in all. Each one of them goes to a different floor. Simon stays in the lift for the longest. Sia gets out before Peter but after Tracy. The first one to get out is Harold. Debra leaves after Tracy who gets out on the third floor.

Can you find out who leaves the lift on which floor?

Which word does the below Plexor means ?

What word is pronounced the same if you take away four of its five letters?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.