What word begins and ends with an E, but has only one letter?

I am white when I am dirty, and black when I am clean. What am I?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

I don't get anymore wetter, no matter how much rain falls on me.

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

When my father was 31 I was 8. Now he is twice as old as me. How old am I?