If 'P' denotes '+', 'Q' denotes '-', 'R' denotes ÷ and 'S' denotes 'X' then 72R18P5S9Q11 = ?A38B42C43D34Answer: A. 38 Read Explanation: 72 R 18 P 5 S 9 Q 11 = 72 ÷18 + 5 x 9 - 11 => 4 +5 x 9-11 => 4 +45--11 => 49- 11 =38Read more in App