Question

Evaluate the following POSTFIX expression. Show the status of Stack after execution of each operation separately:

45, 45, +, 32, 20, 10, /, -,*

Answer 1

Element Scanned	Stack Status
45	45
45	45, 45
+	90
32	90, 32
20	90,32,20
10	90,32,20,10
/	90,32,2
-	90,30
*	2700

Hence the final result is 2700