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Q: What will come in the place of the question mark (?) in the following equation, ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged? 20 – 2 ÷ 4 × 2 + 6 = ?
  • A. 18
  • B. 20
  • C. 22
  • D. 14
Correct Answer: Option A - The given equation is - 20–2 ÷ 4 × 2 + 6 = ? On interchanging the symbols as per the question, = 20 + 2 × 4 ÷ 2 – 6 = 20 + 2 × 2 – 6 = 20 + 4 – 6 = 24 – 6 = 18
A. The given equation is - 20–2 ÷ 4 × 2 + 6 = ? On interchanging the symbols as per the question, = 20 + 2 × 4 ÷ 2 – 6 = 20 + 2 × 2 – 6 = 20 + 4 – 6 = 24 – 6 = 18

Explanations:

The given equation is - 20–2 ÷ 4 × 2 + 6 = ? On interchanging the symbols as per the question, = 20 + 2 × 4 ÷ 2 – 6 = 20 + 2 × 2 – 6 = 20 + 4 – 6 = 24 – 6 = 18