[(13/2 ÷ 1/2 × 13/2)]/[(13/2 × 1/2 ÷ 13/2)] = ? Choose the correct choice from the following:
A) 159 B) 149 C) 169 D) 179 E) 189
Explanation:   [(13/2 ÷ 1/2 × 13/2)]/[(13/2 × 1/2 ÷ 13/2)]   = [13/2 × 2/1 × 13/2]/[13/2 × 1/2 × 2/13]   = 169/2 / 1/2 = 169/2 x 2/1 = 169   Answer: Option 169
<result>C</result>
[(13/2 ÷ 1/2 × 13/2)]/[(13/2 × 1/2 ÷ 13/2)] = ?