What goes up but never comes down?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. 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 nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

I have teeth but i don't bite. Who Am I ?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

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?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

What has 88 keys?

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