If 'A' means '+', 'B' means '-', 'C' means 'x' and 'D' means '÷', then 99 D 9 C 11 B 21 D 21 = ?A50B100C120D48Answer: C. 120 Read Explanation: By decoding given information:ABCDMeans+-×\times×÷\div÷Given statement : 99 D 9 C 11 B 21 D 2199÷9×11−21÷21=?99\div{9}\times{11}-21\div{21}=?99÷9×11−21÷21=?Using BODMAS rule,11×11−1=?11\times{11}-1=?11×11−1=?121 – 1 = 120Hence, “120” is the correct answer. Read more in App