When you speak my name I no longer exist, what am I?

I'm as light as a feather, but the world's strongest men cannot hold me for much more than a minute, what am I?

I'm where eight comes before seven

How many animals in total did moses take on the ark?

There was a blind beggar who had a brother but his brother had no brother of his own... how is this possible?

The first is silence I think and I think the last one is he was adopted but the other 3 I can't figure out... tell me!

Silence?

I don't know, I can think of lots of things, water, air, a very poisonous feather?

A dictionary?

Moses? Moses never owned an ark

The beggar was female? Edit: nope. Hmmm don't know the last one.

Yeah silence because its broked if you actually say silence because by saying it you are causing sound ceasing t to exist... if that makes any sense

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when you speak my name I no longer exist, what am I?

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Silence

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I'm as light as a feather, but the world's strongest men cannot hold me for much more than a minute, what am I?

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One's breath

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I'm where eight comes before seven

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This one you got me on!

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how many animals in total did moses take on the ark?

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None (Noah, not Moses, took the animals on the ark)

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there was a blind beggar who had a brother but his brother had no brother of his own... how is this possible?

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The beggar was a woman (and therefore was the brother's sister)

s_cianci, in the last riddle, it says HIS brother, so the beggar can't be female..

That one has me stumped :)