text: # For the following binary tree, inorder traversal yields the expression:
  
  This question was previously asked in
  KVS PGT CS 2017 official paper
  View all KVS Papers >
  1. a + bd* - ef /
  2.  a + b*d - e/f
  3. abdef* / + -
  4. - + * / abdef
  
  Option 2 :  a + b*d - e/f
  Free
  ST 1: General Knowledge
  6174
  20 Questions 20 Marks 20 Mins
  
  ## Detailed Solution
  
  Concept:
  
  In the in-order traversal method, the left subtree is visited first, then the root and then the right subtree. Every node is a subtree in itself.
  
  Explanation:
  
  Given a binary tree :
  
  For this, we first visit the left - subtree of root -.
  
  1) It will first print a. Then root, +  (a + )
  
  2) Then it will go to right subtree, in this again left subtree of root *. It prints b , then * , then d  (a + b * d)
  
  3) Then it print "-".  (a + b * d -)
  
  4) Then move to right subtree. First print e, then /, then f .(e/f)
  
  5) Final output will be :  a + b * d -  e/f
explanation: The document contains a question and an answer. The question is about determining the expression generated by an in-order traversal of a given binary tree. The answer is provided as one of the multiple-choice options.
distilabel_metadata.content: Evaluate the user given text extract and determine if it contains a math question and optionally and answer to this question.
  
  Output rules:
  
  1. Briefly describe the document and mention if it contains a question or a question and answer.
  2. Finalize the output with: Label: no-question,question,question-and-answer,multiple-question,multiple-question-and-answer
distilabel_metadata.role: system
distilabel_metadata.content: # For the following binary tree, inorder traversal yields the expression:
  
  This question was previously asked in
  KVS PGT CS 2017 official paper
  View all KVS Papers >
  1. a + bd* - ef /
  2.  a + b*d - e/f
  3. abdef* / + -
  4. - + * / abdef
  
  Option 2 :  a + b*d - e/f
  Free
  ST 1: General Knowledge
  6174
  20 Questions 20 Marks 20 Mins
  
  ## Detailed Solution
  
  Concept:
  
  In the in-order traversal method, the left subtree is visited first, then the root and then the right subtree. Every node is a subtree in itself.
  
  Explanation:
  
  Given a binary tree :
  
  For this, we first visit the left - subtree of root -.
  
  1) It will first print a. Then root, +  (a + )
  
  2) Then it will go to right subtree, in this again left subtree of root *. It prints b , then * , then d  (a + b * d)
  
  3) Then it print "-".  (a + b * d -)
  
  4) Then move to right subtree. First print e, then /, then f .(e/f)
  
  5) Final output will be :  a + b * d -  e/f
distilabel_metadata.role: user
distilabel_metadata.raw_output_q_a_detector_0: The document contains a question and an answer. The question is about determining the expression generated by an in-order traversal of a given binary tree. The answer is provided as one of the multiple-choice options.
  
  Label: question-and-answer