Thanks to Levi for the following. Don't look if you don't want to know.
1. The Hatch IQ Test Answers.
Question 1 is 63
Question 2 is the letter L
2. Second IQ Test Answers for the Hidden Room Are
Question 1 answer is 8
Question 2 answer is R
Question 3 answer is 493
3, Third IQ Test Hydra Station
Question 1 answer is 44
Question 2 answer is H
Question 3 answer is B