How can one talk without saying a single word?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Before Mount Everest was discovered, what was the highest mountain in the world?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Out of four images which one is the odd one out?

I shave every day, but my beard stays the same. What am I?

What begins with T, ends with T, and has T in it?

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?