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From the given expression tree, identify the infix expression, evaluate it and choose the correct result.

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From the given expression tree, identify the infix expression, evaluate it and choose the correct result.

(a) 5

(b) 10

(c) 12

(d) 16

This key question is from Evaluation of an Infix Expression (Not Parenthesized) in division Application of Stacks of Data Structures & Algorithms I

The question was posed to me during an interview.

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Correct answer is (c) 12

The explanation is: From the given expression tree, the result of the infix expression is evaluated to be 12.

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