Before Mount Everest was discovered, what was the highest mountain in the world?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Find the missing number in the image below.

Why Wine Glass Stem is so long?

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?

What goes through cities and fields, but never moves?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

I’m tall when I’m young, and I’m short when I’m old. What am I?