Queues Q.97
- A
https://cynorwebsolutions.com/attavo/showphoto.php?id=4073&what=option1Img
- B
https://cynorwebsolutions.com/attavo/showphoto.php?id=4073&what=option2Img
- C
https://cynorwebsolutions.com/attavo/showphoto.php?id=4073&what=option3Img
- D
https://cynorwebsolutions.com/attavo/showphoto.php?id=4073&what=option4Img
- Option : D
- Explanation : The postfix equivalent is 2 3 * 4 5 + -. For evaluating this using stack, starting from the left, we have to scan one by one. If it is an operand push. if it is an operator, pop it twice, apply the operator on the popped out entries and push the result onto the stack. If we follow this, we can find the configuration in option (d) is not possible.
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