What do you answer even though it never asks you questions?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

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?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

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

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

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

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

What can you catch but never throw?