ISRO Computer Science (CSE) 2009 - Question 28

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The infix expression A + (B - C)*D is correctly represented in prefix notation as

  • A. A + B - C * D
  • B. + A * - B C D
  • C. A B C - D * +
  • D. A + BC - D *

Answer: B. + A * - B C D

Explanation: A + ((B-C)*D) -> A + (* - B C D) -> + A * - B C D.

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