Correct option is C
Given:
+ → −
− → ×
× → ÷
÷ → +
Question:
20 – 4 ÷ 7 + 12 × 4 = ?
Step 1: Replace the symbols as per given instructions
→ 20 × 4 + 7 − 12 ÷ 4
Step 2: Apply BODMAS rule
= (20 × 4) + 7 − (12 ÷ 4)
= 80 + 7 − 3
= 84
Correct Answer: (C) 84