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## Balanced Binary Tree Multiple choice Questions and Answers (MCQs)

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Question 1 |

What will be the height of a balanced full binary tree with 8 leaves?

8 | |

5 | |

6 | |

4 |

**Reading comprehension Questions answers**

Question 1 Explanation:

A balanced full binary tree with l leaves has height h, where h = log2l + 1.

So, the height of a balanced full binary tree with 8 leaves = log28 + 1 = 3 + 1 = 4.

Question 2 |

The balance factor of a node in a binary tree is defined as .....

addition of heights of left and right subtrees | |

height of right subtree minus height of left subtree | |

height of left subtree minus height of right subtree | |

height of right subtree minus one |

**UPSC GS Questions answers**

Question 2 Explanation:

For a node in a binary tree, the difference between the heights of its left subtree and right subtree is known as balance factor of the node.

Question 3 |

Figure below is a balanced binary tree. If a node inserted as child of the node R, how many nodes will become unbalanced?

2 | |

1 | |

3 | |

0 |

**Visual arts Questions answers**

Question 3 Explanation:

Only the node P will become unbalanced, with balance factor +2.

Question 4 |

A binary tree is balanced if the difference between left and right subtree of every node is not more than .....

1 | |

3 | |

2 | |

0 |

**History Questions answers**

Question 4 Explanation:

In a balanced binary tree the heights of two subtrees of every node never differ by more than 1.

Question 5 |

Which of the following tree data structures is not a balanced binary tree?

AVL tree | |

Red-black tree | |

Splay tree | |

B-tree |

**GK Questions answers**

Question 5 Explanation:

All the tree data structures given in options are balanced, but B-tree can have more than two children.

There are 5 questions to complete.