Why Wine Glass Stem is so long?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

Which five letter word can be added at the end of below word to form a
valid word?

> Pin
> Check
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Can you divide the below-given shape into four equal and identical pieces?

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 ?

What kind of tree can you carry in your hand?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

I travel all around the world but always stay in the corner. What am I?