As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

I have branches, but no fruit, trunk or leaves. What am I?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

People make me, save me, change me, raise me. What am I?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

A man dies of old age on his 25 birthday. How is this possible?