It Figures

INSTRUCTIONS Using the clues below place the numbers 1 to 16 correctly in the grid. How many clues do you need?

LEVEL 1 – CHIEF SCIENTIST

1 The product of the first three numbers in each row and column is the same, with the exception of the last row and column. 2 There are three prime numbers in the outer two columns, but only one of these columns is relatively prime.

3 The two largest numbers are not immediately adjacent to one another in a row below the one containing the smallest number.

4 The sum of the first two numbers in Row D is 12 more than the two-digit number ending Row C.

5 All the square numbers are in the top two rows.

LEVEL 2 – SENIOR ANALYST

6 The product referenced in Clue 1 is equal to 120.

7 There is just one two-digit number in Column 3.

LEVEL 3 – LAB ASSISTANT

8 The product of the first and last numbers in Row D is 77.

9 The downward sloping diagonal contains three multiples of three.