Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

You see me once in June, twice in November, and not at all in May. What am I?

What's a single-digit number with no value?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

Steffi's daughter Jazelle needs to be picked up from school every day.
Steffi asks one of her colleagues to pick up Jazelle from the school. Steffi devised a password system to confirm that Jazelle goes with the correct colleague only.

The password on Monday was SJM16.
The password on Wednesday was TAW39.

What will the password be for Friday?

I have branches, but no fruit, trunk or leaves. What am I?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

I am an odd number. Take away a letter and I become even. What number am I?

When 99 is considered higher than 100?

What number do you get when you multiply all of the numbers on a telephone's number pad?