1.	What is the value of cell B4?
		A.	18	B.	9
		C.	1	D.	6
		Hint
	2.	What is the value of cell A4?
		A.	90	B.	18
		C.	27	D.	9
		Hint
	3.	What is the value of cell D3?
		A.	9	B.	3
		C.	7	D.	27
		Hint
	4.	What is the value of cell C2?
		A.	27	B.	36
		C.	1	D.	18
		Hint
	5.	What is the value of cell C4?
		A.	27	B.	1
		C.	15	D.	18
		Hint