It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

What goes up but never comes down?

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

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

I have eight fingers and two thumbs but I do not live. 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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If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

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?

What two things can you never eat for breakfast?