c.	What number should replace the letter K?
2, 2, 4, 12, 12, 24, 72, 72, 144, 432, K	Choose the correct answer:
A) 866	B) 864	C) 434	D) 432	E) 452
The sequence progresses x1, x2, x3 repeated; The letter K should be 432 x 1 = 432.   Ans 432 = 432
<result>D</result>
c.	What number should replace the letter K?
2, 2, 4, 12, 12, 24, 72, 72, 144, 432, K