Visitor number Created 02/18/99

Page 7 of 9
20 was the correct answer
The Magic Pyramid - Problem #7

Row 4

12 20 28

4 x 2 = 8

Row 3

4 8 12 16

_ x _ = 4

Row 2

1 3 5 7 9

1 x 2 = 2

Row 1

0 1 2 3 4 5

1

In Row 1 you added 1 to each number to get the next number. In Row 2 you added 2 to each number to get the next number. Relationship: Multiply the Row 1 number times 2 to get the row 2 number. Use this same method to determine the relationship of the numbers in Row 3.

Look at them carefully, this is a tricky question.

Multiply Row 1 number by 3 Multiply Row 2 number by 3

Multiply Row 2 number by 1 Multiply Row 2 number by 2

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