Clean riddles for kids

I know a number which when multiplied by multiple of 9 i.e 9 18 27 36 45 ... The output consist of number containing only one digit. Can you identify the number?

I’m at the beginning of the end and the start of eternity, at the end of time and space, in the middle of yesterday but nowhere in tomorrow. What am I?

It is greater than god, more evil than the devil, the poor have it, the rich need it, and if you eat it, you will die? What is it?

Red through and through, it has no mouth. But it eats many things; it fears water but not wind.

Our dinner guests cry that we are evil, when they notice their place in the meal. But its no big deal why; we are just one big happy tribe! And we get really fed up with people! Who, What or Are we?

I'm very, very big. I like to eat peanuts and hay. I have four legs and two big ears. My long nose is called a trunk. I am an...

It is impossible to keep it until you give it someone else. What is that?

Which month has 30 days?

A hungry donkey was tied to a rope eight feet long. About thirty feet away there was a basket of fresh carrots. The donkey wanted to eat those carrots. How did he reach them?

A farmer is travelling with a fox, a sheep and a small sack of hay. He comes to a river with a small boat in it. The boat can only support the farmer and one other animal/item. If the farmer leaves the fox alone with the sheep, the fox will eat the sheep. And if the farmer leaves the sheep alone with the hay, the sheep will eat the hay. How can the farmer get all three as well as himself safely across the river?