What does this rebus mean?

O
N
C
E
TIME

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

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

Why did the Girl throw the butter out of the window?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

Can you find the thief by just looking at the picture below?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

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?