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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? 800 × 16 – 8 ÷ 12 + 18 = ?
  • A. 128
  • B. 127
  • C. 126
  • D. 129
Correct Answer: Option A - According to the questing, Given expression is. 800 × 16 – 8 ÷ 12 + 18 On interchanging the signs– 800 ÷ 16 + 8 × 12 – 18 50 + 96 – 18 = 128 Hence, option (a) is correct.
A. According to the questing, Given expression is. 800 × 16 – 8 ÷ 12 + 18 On interchanging the signs– 800 ÷ 16 + 8 × 12 – 18 50 + 96 – 18 = 128 Hence, option (a) is correct.

Explanations:

According to the questing, Given expression is. 800 × 16 – 8 ÷ 12 + 18 On interchanging the signs– 800 ÷ 16 + 8 × 12 – 18 50 + 96 – 18 = 128 Hence, option (a) is correct.