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Q: What will come in place of the question mark (?) in the following equation if '+' and '–' are interchanged and '×' and '÷' are interchanged ? 13 ÷ 2 – 15 + 120 × 4 = ?
  • A. 11
  • B. 2.15
  • C. 3.7
  • D. 4.13
Correct Answer: Option A - Given expression 13 ÷ 2 – 15 + 120 × 4 = ? According to the question on interchanging the signs - ? = 13 × 2 + 15 – 120 ÷ 4 ? = 26 + 15 – 30 ? = 41 – 30 ? = 11
A. Given expression 13 ÷ 2 – 15 + 120 × 4 = ? According to the question on interchanging the signs - ? = 13 × 2 + 15 – 120 ÷ 4 ? = 26 + 15 – 30 ? = 41 – 30 ? = 11

Explanations:

Given expression 13 ÷ 2 – 15 + 120 × 4 = ? According to the question on interchanging the signs - ? = 13 × 2 + 15 – 120 ÷ 4 ? = 26 + 15 – 30 ? = 41 – 30 ? = 11