I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Can you find out the remainder when 3^300 is divided by 5?

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?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Where do fish keep their money?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?