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

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

Why is it very easy to weigh a fish?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

Whats the next number in the below number sequence pattern.

Can you place six X (crosses) in below board without making three in a row in any way ?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Find out the missing number in the picture attached:

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?