Place each of the digits in the grid above so that all of the equations are true.
Give your answer as the numbers from left-to-right and then top-to-bottom. For example, if you filled in the grid (incorrectly) as shown below, your answer would be
One evening there was a murder in the home of a father, a mother, their son, and their daughter.
One of these four people murdered one of the others. One other member of the family witnessed the crime. The other one helped the murderer.
These are the things we know for sure:
Who was the murderer?
Aaron, Calvin, David, and Peter each live in one of 4 adjacent townhouses in a row, each of a single color.
Each owns one pet and imbibes one kind of drink.
Who owns the fish?
Note: Color of residences as shown in photograph have nothing to do with this problem. Also, any pet "owned" is presumed to live in the same place as the owner lives.
Sandip, Tracy, Jamal, and Sheng are best friends who work together everyday at a banana stand. Since they are so close, their happiness on any given day depends on the happiness of the other three people on the previous day. Suppose they behave as follows:
Suppose that on day 1, all four of the friends are sad. After a few days, the friends reach a stable emotional state that repeats itself. What is the emotional state of each person in this repeating state?
Pop Quiz! Submit your answers, in order, to Questions 1-4.
Q1. Which is the first question where c) is the correct answer?
a) Q3
b) Q4
c) Q1
d) Q2
Q2. Which is the first question where a) is the correct answer?
a) Q4
b) Q2
c) Q3
d) Q1
Q3. Which is the first question where d) is the correct answer?
a) Q1
b) Q2
c) Q4
d) Q3
Q4. Which is the first question where b) is the correct answer?
a) Q2
b) Q4
c) Q3
d) Q1