[solved]#MondayTeaser: Answer This IN 60 Seconds and You're Officially Brainiac

1. What is the five-digit number, no zeroes, in which the second digit is three times the first, the third is one more than the second, the fourth is four times the first, and the last is one-half more than the second?

2. What are the two missing numbers in the series below?
_ _ 3 3 7 7 2 3 6 5

The Solution

1. 26789

2. 4 & 3

The third has been awesomely answered by "pig benis" in the comment section.