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?

Why 1729 is a magic number? Answer Logically.

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Can you replace the question mark with the correct number in the below table sequence?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?