Can you make four (4) nines (9) equal 100?

A hen, a dog, and a cat are stolen. Three suspects are arrested named Robin, Steve, and Tim. The police are sure that all of them stole one of the animals but they don't know who stole which animal.

Sherlock Holmes is appointed to identify and is provided with the following statements from the investigation.

Robin - Tim stole the hen
Steve - Tim stole the dog
Tim - Both Robin and Steve are lying. I neither stole a hen nor a dog.

Sherlock is somehow able to deduce that the man who stole the cat is telling a lie and the man who stole the hen is telling truth.

Can you help him find out who stole which animal?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

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

What number comes next in this sequence:
7 8 5 5 3 4 4 _

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

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