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

How can you leave a room with two legs and return with six legs?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

There is something which is always coming but never arrives?

Which English verb becomes past tense just by rearranging the letters?

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?

Which five letter word can be added at the end of below word to form a
valid word?

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The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

The more it dries, the wetter it becomes. Can you tell what it is?