What will come in the place of the question mark (?) in the following equation, if ‘ −’ and ‘+’ are interchanged and ‘÷’ and ‘×’ are interchanged? 200 × 25 + 30 − 5 ÷ 10 = ?

Explanation

Information Given: Equation: 200 × 25 + 30 − 5 ÷ 10 = ? Interchange: +↔− ×↔÷ Operation preference wise Symbol Brackets [], , () Orders, of (power), √(root), of ​ Division ​ ÷ ​ ​ ​ Multiplication × Addition + Subtraction − Step-by-step: 200 × 25 + 30 − 5 ÷ 10 → 200 ÷ 25 − 30 + 5 × 10 Now calculate: 200 ÷ 25 = 8 5 × 10 = 50 So, 8 − 30 + 50 = 28 Final Answer: 28 Final Correct Option: (B)