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What is the value of the postfix expression 6 3 2 4 + – *?

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What is the value of the postfix expression 6 3 2 4 + – *?

(a) 1

(b) 40

(c) 74

(d) -18

I would like to ask this question from Stack Operations in section Abstract Data Types of Data Structures & Algorithms I

I had been asked this question in my homework.

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Correct choice is (d) -18

The best explanation: Postfix Expression is (6*(3-(2+4))) which results -18 as output.

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