What has a bottom at the top?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

What is both possible and impossible at the same time?

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

If 1+9+8=1, what is 2+8+9?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

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

I know a nine-letter word having only one vowel.
Do you ?

How can you drop a raw egg from a height onto a concrete floor without cracking it?