# Quantum Computing Algorithms MCQs with Answers

Quantum Computing Algorithms MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important Quantum Computing Algorithms MCQs for Preparation.

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## Quantum Computing Algorithms Online MCQs with Answers

Which quantum algorithm is commonly used for prime factorization and integer factorization problems?
a) Grover’s algorithm
b) Shor’s algorithm
c) Deutsch-Jozsa algorithm
d) Simon’s algorithm

Which quantum algorithm is used to solve the hidden subgroup problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Deutsch-Jozsa algorithm
d) Simon’s algorithm

Which quantum algorithm is used to solve the Bernstein-Vazirani problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Deutsch-Jozsa algorithm
d) Bernstein-Vazirani algorithm

Which quantum algorithm is used to solve the quadratic equations problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Deutsch-Jozsa algorithm
d) HHL algorithm

Which quantum algorithm is used to solve the search problem for an unsorted database?
a) Grover’s algorithm
b) Shor’s algorithm
c) Deutsch-Jozsa algorithm
d) Simon’s algorithm

Which quantum algorithm is used to solve the order-finding problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Deutsch-Jozsa algorithm
d) Simon’s algorithm

Which quantum algorithm is used to solve the matrix inversion problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Deutsch-Jozsa algorithm
d) HHL algorithm

Which quantum algorithm is used to solve the Boolean satisfiability problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Deutsch-Jozsa algorithm
d) Quantum approximate optimization algorithm (QAOA)

Answer: d) Quantum approximate optimization algorithm (QAOA)

Which quantum algorithm is used to solve the traveling salesman problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum approximate optimization algorithm (QAOA)
d) Quantum Fourier transform algorithm

Answer: c) Quantum approximate optimization algorithm (QAOA)

Which quantum algorithm is used to solve the graph coloring problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum approximate optimization algorithm (QAOA)
d) Quantum Fourier transform algorithm

Answer: c) Quantum approximate optimization algorithm (QAOA)

Which quantum algorithm is used to solve the Max-Cut problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum approximate optimization algorithm (QAOA)
d) Quantum Fourier transform algorithm

Answer: c) Quantum approximate optimization algorithm (QAOA)

Which quantum algorithm is used to solve the quantum counting problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum phase estimation algorithm

Answer: d) Quantum phase estimation algorithm

Which quantum algorithm is used to solve the amplitude estimation problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Amplitude estimation algorithm

Which quantum algorithm is used to solve the quantum approximate optimization problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum approximate optimization algorithm (QAOA)
d) Quantum Fourier transform algorithm

Answer: c) Quantum approximate optimization algorithm (QAOA)

Which quantum algorithm is used to solve the quantum simulation problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Variational quantum eigensolver (VQE)

Answer: d) Variational quantum eigensolver (VQE)

Which quantum algorithm is used to solve the quantum error correction problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Surface code algorithm

Which quantum algorithm is used to solve the quantum phase estimation problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum phase estimation algorithm

Answer: d) Quantum phase estimation algorithm

Which quantum algorithm is used to solve the quantum state tomography problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum state tomography algorithm

Answer: d) Quantum state tomography algorithm

Which quantum algorithm is used to solve the quantum walk problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum walk algorithm

Which quantum algorithm is used to solve the quantum amplitude amplification problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum amplitude amplification algorithm

Answer: d) Quantum amplitude amplification algorithm

Which quantum algorithm is used to solve the quantum learning problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum machine learning algorithm

Answer: d) Quantum machine learning algorithm

Which quantum algorithm is used to solve the quantum clustering problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum clustering algorithm

Which quantum algorithm is used to solve the quantum classification problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum classification algorithm

Which quantum algorithm is used to solve the quantum regression problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum regression algorithm

Which quantum algorithm is used to solve the quantum optimization problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum optimization algorithm

Which quantum algorithm is used to solve the quantum chemistry problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum chemistry algorithm

Which quantum algorithm is used to solve the quantum biology problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum biology algorithm

Which quantum algorithm is used to solve the quantum finance problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum finance algorithm

Which quantum algorithm is used to solve the quantum cryptography problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum cryptography algorithm

Which quantum algorithm is used to solve the quantum random number generation problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum random number generation algorithm

Answer: d) Quantum random number generation algorithm

Which quantum algorithm is used to solve the quantum game theory problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum game theory algorithm

Answer: d) Quantum game theory algorithm

Which quantum algorithm is used to solve the quantum fault tolerance problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum fault tolerance algorithm

Answer: d) Quantum fault tolerance algorithm

Which quantum algorithm is used to solve the quantum anomaly detection problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum anomaly detection algorithm

Answer: d) Quantum anomaly detection algorithm

Which quantum algorithm is used to solve the quantum image processing problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum image processing algorithm

Answer: d) Quantum image processing algorithm

Which quantum algorithm is used to solve the quantum pattern matching problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum pattern matching algorithm

Answer: d) Quantum pattern matching algorithm

Which quantum algorithm is used to solve the quantum optimization problem in the presence of noise?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum error mitigation algorithm

Answer: d) Quantum error mitigation algorithm

Which quantum algorithm is used to solve the quantum walk problem on a graph?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum walk on graphs algorithm

Answer: d) Quantum walk on graphs algorithm

Which quantum algorithm is used to solve the quantum phase estimation problem for estimating the eigenvalues of a unitary operator?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum phase estimation algorithm

Answer: d) Quantum phase estimation algorithm

Which quantum algorithm is used to solve the quantum simulation problem for simulating the dynamics of quantum systems?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum simulation algorithm

Which quantum algorithm is used to solve the quantum error correction problem for protecting quantum information from errors?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum error correction algorithm

Answer: d) Quantum error correction algorithm

Which quantum algorithm is used to solve the quantum teleportation problem for transmitting quantum information?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum teleportation algorithm

Which quantum algorithm is used to solve the quantum key distribution problem for secure communication?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum key distribution algorithm

Answer: d) Quantum key distribution algorithm

Which quantum algorithm is used to solve the quantum error correction problem for fault-tolerant quantum computation?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Surface code algorithm

Which quantum algorithm is used to solve the quantum gate synthesis problem for decomposing quantum gates into elementary gates?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum gate synthesis algorithm

Answer: d) Quantum gate synthesis algorithm

Which quantum algorithm is used to solve the quantum variational optimization problem for finding the minimum of a cost function?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum variational optimization algorithm

Answer: d) Quantum variational optimization algorithm

Which quantum algorithm is used to solve the quantum phase estimation problem for estimating the phase of a quantum state?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum phase estimation algorithm

Answer: d) Quantum phase estimation algorithm

Which quantum algorithm is used to solve the quantum optimization problem for finding the optimal solution of a problem?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum optimization algorithm

Which quantum algorithm is used to solve the quantum machine learning problem for training machine learning models?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum machine learning algorithm

Answer: d) Quantum machine learning algorithm

Which quantum algorithm is used to solve the quantum cryptography problem for secure communication?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum cryptography algorithm

Which quantum algorithm is used to solve the quantum random number generation problem for generating random numbers?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum random number generation algorithm

Answer: d) Quantum random number generation algorithm

Which quantum algorithm is used to solve the quantum game theory problem for analyzing strategic interactions?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum game theory algorithm

Answer: d) Quantum game theory algorithm

Which quantum algorithm is used to solve the quantum fault tolerance problem for error correction?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum fault tolerance algorithm

Answer: d) Quantum fault tolerance algorithm

Which quantum algorithm is used to solve the quantum anomaly detection problem for identifying unusual patterns?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum anomaly detection algorithm

Answer: d) Quantum anomaly detection algorithm

Which quantum algorithm is used to solve the quantum image processing problem for manipulating images?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum image processing algorithm

Answer: d) Quantum image processing algorithm

Which quantum algorithm is used to solve the quantum pattern matching problem for finding patterns in data?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum pattern matching algorithm

Answer: d) Quantum pattern matching algorithm

Which quantum algorithm is used to mitigate errors in quantum computations?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum error mitigation algorithm

Answer: d) Quantum error mitigation algorithm

Which quantum algorithm is used to perform quantum walks on graphs?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum walk on graphs algorithm

Answer: d) Quantum walk on graphs algorithm

Which quantum algorithm is used to estimate the eigenvalues of a unitary operator?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum phase estimation algorithm

Answer: d) Quantum phase estimation algorithm

Which quantum algorithm is used to simulate the dynamics of quantum systems?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum simulation algorithm

Which quantum algorithm is used to correct errors in quantum computations?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum error correction algorithm

Answer: d) Quantum error correction algorithm

Which quantum algorithm is used to teleport quantum information?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum teleportation algorithm

Which quantum algorithm is used for secure communication?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum key distribution algorithm

Answer: d) Quantum key distribution algorithm

Which quantum algorithm is used for fault-tolerant quantum computation?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Surface code algorithm

Which quantum algorithm is used for gate synthesis in quantum circuits?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum gate synthesis algorithm

Answer: d) Quantum gate synthesis algorithm

Which quantum algorithm is used for variational optimization in quantum systems?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum variational optimization algorithm

Answer: d) Quantum variational optimization algorithm

Which quantum algorithm is used for phase estimation in quantum states?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum phase estimation algorithm

Answer: d) Quantum phase estimation algorithm

Which quantum algorithm is used for optimization problems in quantum systems?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum optimization algorithm

Which quantum algorithm is used for machine learning on quantum computers?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum machine learning algorithm

Answer: d) Quantum machine learning algorithm

Which quantum algorithm is used for cryptography on quantum systems?
a) Grover’s algorithm
b) Shor’s algorithm
c) Quantum Fourier transform algorithm
d) Quantum cryptography algorithm