Correct option is B
Given: 28 × 8 ÷ 2 + 13 + 30 = 50
As per the question interchanging the 2 and 8 we get following equation-
28 × 2 ÷ 8 + 13 + 30 = 50
Explanation:
Following the BODMAS rule (Bracket, Orders (i.e. powers and square roots, etc.), Division and Multiplication, Addition and Subtraction):
1. Division (÷): 28 × + 13 +30 = 50
2. Multiply (×): 7 + 13 + 30 = 50
3. Addition (+): 50 = 50
Final Answer: (b) 2,8.