What is the word or phrase?

What English word has three consecutive double letters?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

They are three errirs in this question. Can you find them?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

What will you call your mother's brother's brother-in-law?