Which of the following infix expressions is obtained on converting the postfix…

UP Police Computer Operator Grade A · 2017 · Computer Operator Grade A · 21 Dec 2018 Shift 1· Modified — slightly modified from the official paper; see the solution

1. A.

   A - B + C + D $ E – F

2. B.

   ((A - B) + C) $ (D + (E - F))

3. C.

   A - B $ C + D + E – F

4. D.

   A + B - C $ D + E – F

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