If 'A' stands for '+', 'B' stands for '-', 'C' stands for 'x' and 'D' stands for '÷', what will come in place of the question mark '?' in the following equation? 4 A 45 D 9 B 3 C 1 = ?

• (अ)1. 7
• (ब)2. 8
• (क)3. 9
• (ड)4. 6✓ योग्य उत्तर