Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

what does the below rebus means?

There is something which is always coming but never arrives?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

What is the last thing you take off before bed?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?