Why Wine Glass Stem is so long?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

Can you find the mistake in the below statement?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

Why do we preferably have round manhole covers and not square ones?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

I cannot talk, but I always reply when spoken to. What am I?

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?