How can one talk without saying a single word?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

How many words can a pen with half refill write?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?