[(11/2 ÷ 1/2 × 11/2)]/[(11/2 × 1/2 ÷ 11/2)] = ?	Select:	A) 111	B) 101	C) 91	D) 81	E) 121
121xplanation:   [(11/2 ÷ 1/2 × 11/2)]/[(11/2 × 1/2 ÷ 11/2)]   = [11/2 × 2/1 × 11/2]/[11/2 × 1/2 × 2/11]   = 121/2 / 1/2 = 121/2 x 2/1 = 121   Answer: Option 121
<result>E</result>
[(11/2 ÷ 1/2 × 11/2)]/[(11/2 × 1/2 ÷ 11/2)] = ?