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?

What is both possible and impossible at the same time?

Who always enjoys poor health?

If 21x = 79x, what is the value of x?

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

If your uncle’s sister is not your aunt, what relation is she to you?

What do you get if you add 2 to 100 four times?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

What four weights can be used to balance from 1 to 30 pounds?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?