Can you name some countries which do not have the alphabet 'A' in them?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

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?

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

Why 1729 is a magic number? Answer Logically.

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

Can you find the hidden animal in the picture below?

81 x 9 = 801. What must you do to make the this equation true?