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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? 18 – 6 + 3 × 20 ÷ 9 = ?
  • A. 6
  • B. 18
  • C. 20
  • D. 12
Correct Answer: Option C - The given equation is- 18 – 6 + 3 × 20 ÷ 9 = ? According to the question on interchanging the signs- ? = 18 ÷ 6 × 3 + 20 – 9 = 3 × 3 + 20 – 9 = 29 – 9 ? = 20
C. The given equation is- 18 – 6 + 3 × 20 ÷ 9 = ? According to the question on interchanging the signs- ? = 18 ÷ 6 × 3 + 20 – 9 = 3 × 3 + 20 – 9 = 29 – 9 ? = 20

Explanations:

The given equation is- 18 – 6 + 3 × 20 ÷ 9 = ? According to the question on interchanging the signs- ? = 18 ÷ 6 × 3 + 20 – 9 = 3 × 3 + 20 – 9 = 29 – 9 ? = 20