Top MCQs on Backtracking Algorithm with Answers

Question 1

Which of the following is not a backtracking algorithm?

• Knight tour problem
• N queen problem
• Tower of hanoi
• M coloring problem

Question 2

Backtracking can be used to solve: 

• Linear programming problems

• Problems with a single feasible solution

• Combinatorial optimization problems

• Problems with a fixed set of solutions

Question 3

Backtracking may lead to a solution that is:

•  Optimal 

• Suboptimal 

• Efficient 

• Deterministic

Question 4

Backtracking is best suited for solving problems that involve:

• Sorting elements 

• Searching in a sorted list

•  Dynamic programming 

• Exploring all possible solutions

Question 5

Which of the following is an example of a problem that can be solved using backtracking?

• Finding the median of an array

•  Binary search in a sorted list 

• Sudoku puzzle solving 

• Calculating the sum of elements in an array

Question 6

Which of the following is NOT a characteristic of the backtracking algorithm? 

• Recursive approach

• Breadth-first exploration 

• Depth-first exploration 

• Trial and error

Question 7

Backtracking involves: 

• Starting from the end of the problem 

• Using a stack to keep track of solutions

• Iterating through all elements in a list 

• Going back to a previous step if the current step doesn't work 

Question 8

Who coined the term "Backtracking"?

• Lehmer

• Donald

• Ross

• Ford

Question 9

The backtracking algorithm is implemented by constructing a tree of choices known as?

• State-chart-tree

• Node tree

• Backtracking tree

• State-space tree

Question 10

 What happens when the backtracking algorithm reaches a complete solution?

• It backtracks to the root

• It traverses from a different route

• it continues searching for other possible solutions

• Recursively traverses through the same route