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 digits of the first three numbers in each row create square numbers.

2 The two largest numbers are at opposite ends of the first column.

3 The sum of the first two numbers in Columns 3 and 4 is one less than the third number in each of those columns.

4 The three smallest numbers share a row above the one ending with a 10.

5 The product of the first two numbers in Row B is 56.

LEVEL 2 – SENIOR ANALYST

6 There is a prime number at the beginning or end of every row.

7 The sum of the outer two numbers in Row C is 25.

LEVEL 3 – LAB ASSISTANT

8 The product of the first three numbers in

Column 2 is 80.