What is more useful when it is broken?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

What has many keys but can’t open a single lock?

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

What is common among 11, 69, and 88?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?