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## Backtracking Multiple choice Questions and Answers (MCQs)

## Click on any option to know the CORRECT ANSWERS

Question 1 |

Which of the problems cannot be solved by backtracking method?

n-queen problem | |

subset sum problem | |

hamiltonian circuit problem | |

travelling salesman problem |

**Education Questions answers**

Question 1 Explanation:

N-queen problem, subset sum problem, Hamiltonian circuit problems can be solved by backtracking method whereas travelling salesman problem is solved by Branch and bound method.

Question 2 |

Backtracking algorithm is implemented by constructing a tree of choice s called as?

State-space tree | |

State-chart tree | |

Node tree | |

Backtracking tree |

**Computer science Questions answers**

Question 2 Explanation:

Backtracking problem is solved by constructing a tree of choice s called as the state-space tree. Its root represents an initial state before the search for a solution begins.

Question 3 |

What happens when the backtracking algorithm reaches a complete solution?

It backtracks to the root | |

It continues searching for other possible solutions | |

It traverses from a different route | |

Recursively traverses through the same route |

**Arab culture Questions answers**

Question 3 Explanation:

When we reach a final solution using a backtracking algorithm, we either stop or continue searching for other possible solutions.

Question 4 |

A node is said to be ..... if it has a possibility of reaching a complete solution.

Non-promising | |

Promising | |

Succeeding | |

Preceding |

**Education Questions answers**

Question 4 Explanation:

If a node has a possibility of reaching the final solution, it is called a promising node. Otherwise, it is non-promising.

Question 5 |

In what manner is a state-space tree for a backtracking algorithm constructed?

Depth-first search | |

Breadth-first search | |

Twice around the tree | |

Nearest neighbour first |

**Education Questions answers**

Question 5 Explanation:

A state-space tree for a backtracking algorithm is constructed in the manner of depth-first search so that it is easy to look into.

There are 5 questions to complete.