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Q: What will come in place of the question mark (?) in the following equation if '÷' and '×' are interchanged ? 132 × 12 ÷ 9 + 27 – 51 = ?
  • A. 65
  • B. 78
  • C. 70
  • D. 75
Correct Answer: Option D - Given expression, 132 × 12 ÷ 9 + 27 – 51 = ? On interchanging the given signs - According to the question, ? = 132 ÷ 12 × 9 + 27 – 51 ? = 11 × 9 + 27 – 51 = 99 + 27 – 51 = 126 – 51 Given expression, 132 × 12 ÷ 9 + 27 – 51 = ? On interchanging the given signs - According to the question, ? = 132 ÷ 12 × 9 + 27 – 51 ? = 11 × 9 + 27 – 51 = 99 + 27 – 51 = 126 – 51 ? = 75 ∴ ? = 75
D. Given expression, 132 × 12 ÷ 9 + 27 – 51 = ? On interchanging the given signs - According to the question, ? = 132 ÷ 12 × 9 + 27 – 51 ? = 11 × 9 + 27 – 51 = 99 + 27 – 51 = 126 – 51 Given expression, 132 × 12 ÷ 9 + 27 – 51 = ? On interchanging the given signs - According to the question, ? = 132 ÷ 12 × 9 + 27 – 51 ? = 11 × 9 + 27 – 51 = 99 + 27 – 51 = 126 – 51 ? = 75 ∴ ? = 75

Explanations:

Given expression, 132 × 12 ÷ 9 + 27 – 51 = ? On interchanging the given signs - According to the question, ? = 132 ÷ 12 × 9 + 27 – 51 ? = 11 × 9 + 27 – 51 = 99 + 27 – 51 = 126 – 51 Given expression, 132 × 12 ÷ 9 + 27 – 51 = ? On interchanging the given signs - According to the question, ? = 132 ÷ 12 × 9 + 27 – 51 ? = 11 × 9 + 27 – 51 = 99 + 27 – 51 = 126 – 51 ? = 75 ∴ ? = 75