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## Data Structure Questions and Answers-Evaluation of an Infix Expression (Not Parenthesized)

Question 11 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |

Using the evaluation of infix expression, evaluate a^b+c and choose the correct answer. (a=2, b=2, c=2)

12 | |

8 | |

10 | |

6 |

Question 11 Explanation:

^ has the highest precedence. Hence, 2^2 is evaluated and then 4+2 gives 6.

Question 12 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |

Evaluate the following infix expression using algorithm and choose the correct answer. a+b*c-d/e^f where a=1, b=2, c=3, d=4, e=2, f=2.

6 | |

8 | |

9 | |

7 |

Question 12 Explanation:

^ has the highest order of precedence. Hence, 2^2 is evaluated first, and then, 2*3 and 4/4 are evaluated. Therefore, 1+6-1=6.

Question 13 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |

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

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10 | |

12 | |

16 |

Question 13 Explanation:

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

There are 13 questions to complete.