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GCHQ Tests

GCHQ Tests

  • 18 tests
  • 190 questions
GCHQ Tests

The last 100 years has seen GCHQ at the heart of the nation’s security, and we’ll continue to help keep the UK safe for the next 100.

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GCHQ Personality Test

You will be asked to sit a personality test which will include a number of words and statements which you will have to rate in how important you feel each are. This test is designed to see what type of person you are and how you will fit into the organisation.

Practice Aptitude Tests is not associated with GCHQ. We provide preparation services for GCHQ psychometric tests. Our tests are not designed to be identical to any style, employer or industry. Visit to find out more.

Sample GCHQ Tests question Test your knowledge!

Consider this statement: 'The increased use of secure communication channels correlates with heightened awareness of privacy issues.' If the statement is true, which of the following can we infer?

  • Greater privacy concerns cause an increased use of secure communication channels.
  • Heightened awareness of privacy issues may possibly contribute to the preference for secure communication channels.
  • The use of secure communication channels diminishes privacy concerns.
  • There is no relationship between the use of secure channels and privacy awareness.

A department has a budget of £120,000 for the year, which is distributed evenly across twelve months. If the department needs to save 15% of the annual budget for a special project by the end of the year, how much can they spend each month?

  • £8,500
  • £9,000
  • £8,5000
  • £10,200

In a meeting, you are given a report on cybersecurity trends. One of the main points is that 'cyber incidents have seen an increase of 24% year-on-year for the last quarter'. What does this mean?

  • Cyber incidents have increased by 24% over four years.
  • There has been a 24% increase in cyber incidents every year.
  • Cyber incidents last quarter are 24% higher than the quarter before.
  • Cyber incidents are 24% higher this quarter than the same quarter last year.

Which of the following conclusions can be drawn from the statement: 'Despite advanced security protocols, the majority of data leaks are due to human error.'?

  • Data leaks are mostly caused by inadequate security measures.
  • Human error is a less significant factor in data security than technical vulnerabilities.
  • Enhancing security protocols will completely prevent data leaks.
  • Focusing on human factors might reduce data leaks more effectively than just technical solutions.

After analyzing last year's encrypted transmission logs, you notice a pattern that every alternate message has a redundancy rate of 3% while the rest have a rate of 7%. Based on this information, what redundancy rate would you expect from the next message if the last one had a rate of 3%?

  • 3%
  • 7%
  • It cannot be determined from the given information.
  • 5%

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GCHQ Tests Tips

1Understand the Test Structure

Familiarize yourself with the types of questions and the overall format. This will help you manage your time effectively during the actual test.

2Practice Regularly

Consistent practice can significantly improve your performance. Start preparing well in advance to avoid last-minute cramming.

3Review Basic Concepts

Ensure you have a solid grasp of basic concepts that could be tested, especially if you’re applying for a role that requires specific technical knowledge.

4Take Free Practice Tests on Practice Aptitude Tests

Boost your confidence by taking free practice tests available on Practice Aptitude Tests. It’s a great way to gauge your readiness for the real thing.

5Stay Calm and Focused

Test anxiety can hinder performance. Practice relaxation techniques and maintain a positive mindset to stay calm and focused during the test.

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  • 30 Numerical reasoning tests
  • 30 Verbal reasoning tests
  • 30 Diagrammatic reasoning tests
  • 30 Situational judgement tests
  • 34 Publisher packages e.g. Watson Glaser
  • 252 Employer packages e.g. HSBC
  • 99 Extra packages e.g Mechanical
  • Dashboard performance tracking
  • Full solutions and explanations
  • Tips, tricks, guides and resources


  • Access to free tests
  • Basic performance tracking
  • Solutions & explanations
  • Tips and resources


What are the GCHQ tests?

GCHQ uses a series of exams to assess potential candidates for various roles at the organization. These tests evaluate a range of skills, including technical ability, analytical skills, and problem-solving prowess, tailored to the unique requirements of the role you’re applying for.

Are the GCHQ tests hard?

The difficulty of GCHQ tests is subjective and often depends on your background and skill set. They are designed to be challenging to identify candidates who are well-suited for the complex work at GCHQ.

How do I prepare for GCHQ tests?

Preparing for GCHQ tests is best done through practice and familiarization with similar test formats. Practice Aptitude Tests offers a wealth of practice tests that can help you get a feel for the questions and time constraints you’ll encounter.

How long does the recruitment process take at GCHQ?

The recruitment process at GCHQ varies by position and applicant volume. Typically, it includes multiple stages and can take several weeks to months from initial application to final offer.

What are GCHQ's core values?

GCHQ’s core values emphasize integrity, impact, and innovation. They seek individuals who can contribute to their mission of protecting national security with a commitment to ethical conduct and a drive to make a real-world impact.

Reviews of our GCHQ tests

What our customers say about our GCHQ tests

  • United Kingdom

    December 17, 2022

    It wasn’t particularly difficult however I was Ill-prepared

    One set of data would be spread across multiple questions which I personally have never particularly enjoyed

  • Spain

    June 03, 2021


    Well, I do not know these things about economics (I do not have a very high degree, since I am finishing high school).

  • United Kingdom

    March 07, 2021


    Like to think but not so good with conversion rates

  • United Kingdom

    March 03, 2021

    Hard to complete whilst on a mobile phone

    Detail is good; accessibility to complete on a mobile device not so good.

  • United Kingdom

    February 22, 2021

    V. Useful

    It felt very accurate to real tests I've taken.