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Q: What will come in the place of the question mark (?) in the following equation. If '+' and '-' are interchanged and '×' and '÷' are interchanged? 82 + 52 ÷ 26 × 13 − 4 = ?
  • A. 9
  • B. –68
  • C. –18
  • D. 36
Correct Answer: Option C - Given that, 82 + 52 ÷ 26 × 13 − 4 = ? On interchanging the given signs according to the question, ? = 82 – 52 × 26 ÷ 13 + 4 = 82 – 52 × 2 + 4 = 86 – 104 ? = – 18
C. Given that, 82 + 52 ÷ 26 × 13 − 4 = ? On interchanging the given signs according to the question, ? = 82 – 52 × 26 ÷ 13 + 4 = 82 – 52 × 2 + 4 = 86 – 104 ? = – 18

Explanations:

Given that, 82 + 52 ÷ 26 × 13 − 4 = ? On interchanging the given signs according to the question, ? = 82 – 52 × 26 ÷ 13 + 4 = 82 – 52 × 2 + 4 = 86 – 104 ? = – 18