If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Can you write down eight eights so that they add up to one thousand?

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?

Can you spot the man between the coffee bean in the picture below ?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

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?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?