It Figures

NO.12

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 sum of each individual row and column is divisible by four.

2 An even numbered column begins with ascending teens and ends with ascending square numbers.

3 The product of the three smallest numbers in the last column is 6 less than the second number in that column.

4 An outer column which begins with descending multiples of five contains three numbers which are divisible by three.

5 75% of corner and bottom row numbers are single digit primes.

LEVEL 2 - SENIOR ANALYST

6 The sum of Row B is 48.

7 The upward sloping diagonal contains all

single digit numbers.

LEVEL 3 - LAB ASSISTANT

8 The last two numbers in Row C add to the first.

9 The product of the outer two numbers in Column 3 is 42.