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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? 4 − 8 ÷ 12 + 16 × 2 = ?
  • A. 92
  • B. 86
  • C. 90
  • D. 94
Correct Answer: Option A - Given that, 4 − 8 ÷ 12 + 16 × 2 = ? On interchanging the given signs according to the question, ? = 4 + 8 × 12 – 16 ÷ 2 = 4 + 96 – 8 = 100 – 8 ∴ ? = 92
A. Given that, 4 − 8 ÷ 12 + 16 × 2 = ? On interchanging the given signs according to the question, ? = 4 + 8 × 12 – 16 ÷ 2 = 4 + 96 – 8 = 100 – 8 ∴ ? = 92

Explanations:

Given that, 4 − 8 ÷ 12 + 16 × 2 = ? On interchanging the given signs according to the question, ? = 4 + 8 × 12 – 16 ÷ 2 = 4 + 96 – 8 = 100 – 8 ∴ ? = 92