Three friends named Mr. Black, Mr. Yellow and Mr. Green enter a pub on a weekend night. They are wearing either a Black, Yellow or Green shirt.

Mr. Yellow says to them, 'Did you notice that we all are wearing different color shirts than our names?'

To this, the man who was wearing the Green shirt said. 'Wow, thats right.'

Can you identify who is wearing which colour shirt ?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

A father's child, a mother's child, yet no one's son.

Who am I?

With the help clues provided in the image, can you find the 5 digit key?

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

Replace the question mark with the correct number in below Picture:

Can you name some countries which do not have the alphabet 'A' in them?

Keyboard words are not in alphabetical order, Why?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

What is the last thing you take off before bed?