Dangote Refinery Graduate Trainee Past Questions with Answers PDF (2026)

Do you wish to join Dangote Refinery as a graduate trainee? Did you submit application and have been shortlisted for aptitude test/CBT assessment? If yes, then congratulations because you’re on the right path.

The 2026 updated version of the Dangote Refinery graduate trainee past questions and answers is one of the most outstanding materials that will foster your success in the upcoming aptitude test.

The past questions will help you become more familiar with the exam format, question’s structure, key test areas and even draw areas of concentration to read on.

Quick Overview

The Dangote Refinery is a branch of Dangote Group of Companies. It fully began operation in 2023 with location at Ibeju-Lekki, Lagos State, Nigeria. Currently, the refinery processes 650,000 to about 700,000 barrels daily.

To help young graduates learn and grow, the company has orchestrated an eighteen (18) months intensive training that advance experience in petroleum refinery, operations and professional development at large.

To join, applicant must have at least second class lower in first degree or upper credit in HND and must not exceed 28 years of age.

Structure of Dangote Refinery Graduate Trainee Past Questions

Note that the Dangote Refinery Graduate Trainee aptitude test and first online screening test is administered by Dragnet and it covers the following:

1. Numerical Reasoning: As the name suggests, questions in this category are mainly mathematical spanning across percentages, volume conversion, pump capacity, fluid dynamics, ratio and data interpretation etc.
2. Verbal Reasoning: This assesses how well you understand English language in both written and oral form. It covers lexis and structure, summary, comprehension and statement validation etc.
3. Logical/Abstract Reasoning: This evaluates candidates’ situational judgement, pattern recognition, spatial visualization, and sequence mapping etc.
4. Critical Thinking: This looks deeply into candidate’s environmental awareness, decision making skills and ability to solve puzzles etc.

Format: The entire past questions with answers are neatly arranged into a Portable Document Format (PDF).

Recency: It is 2026 updated version.

Delivery: It will be sent to your email or WhatsApp immediately after payment is made.

Practice: It is PDF as such; you can easily practice the questions with your mobile phone, iPad, laptop or even print out the hard copies etc.

How to Download Dangote Refinery Aptitude Test Past Questions

To instantly get the 2026 update version of the Dangote Refinery Graduate Trainee Past Questions with Answers PDF, take the few steps below:

• Begin by scrolling to the beginning of this page.
• Click on the “get past questions”
• Proceed to the checkout page.
• Provide required details
• Make the payment and instantly download the PDF.

Go to your download folder, open the PDF and begin practice. If you could not download the file, reach out to our sales representative via the WhatsApp chat icon or phone number displayed on the screen and within five (5) minutes, the past questions will be sent to you.

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Why Should You Practice the Past Questions?

It is very valid if you’re wondering the main essence of these past questions or how helpful it will be to you. See the top reasons why practicing this material is helpful:

1. Gives better awareness of the examination: By practicing the past questions, you will gain clarity on the aptitude test style, how questions are structured and how best to tackle them.
2. Clear Solutions and Detailed Explanations: You will not just get answers to the questions but detailed process on how it was arrived. This way, you learn better.
3. Repetition: There is high tendency that questions from previous years aptitude test would repeat in the forthcoming one. This would be an advantage to only candidates who practiced the Dangote Refinery Graduate Trainee past questions.
4. Boosts Confidence: Where other candidates are maybe confused about what to read or what the questions would look like, you’re already settled on that because of the insights gathered from the past questions.
5. It pre-trains you to manage time better especially because the forthcoming test is Computer Based. Having answers to all the questions but unable to attempt due to time restriction could as well lead to failure.

Sample of Dangote Refinery Graduate Trainee Past Questions

Question 1: If R & Y refinery records a total of 240,000 barrels of crude oil processed daily and because of scheduled maintenance, production reduced by 12.5% for three days. What will be the number of barrels processed within the three (3) days?

1. 630,000
2. 660,000
3. 675,000
4. 720,000
5. 787,500

The correct answer is C

Question 2: Assuming Dangote tanker is carrying 18,000 litres of a chemical mixture and about 15% of it is replaced with another liquid, what will now be the litres of the original mixture remaining?

1. 2,700 L
2. 12,600 L
3. 15,300 L
4. 16,200 L
5. 17,100 L

The correct answer is C

Question 3: Study the daily production output below and answer the question that follows:

Day	Output (units)
Monday	480
Tuesday	540
Wednesday	600
Thursday	570
Friday	630

Between Monday and Friday, what was the percentage output increase you observed?

A. 25%
B. 28.5%
C. 30%
D. 31.25%
E. 35%

The correct answer is C.

Question 4: If one pump fills a storage tank in 8 hours and another pump can fill same tank in 12 hours. If both pumps operate side-by-side, how many hours will it take to fill the tank?

1. 4 hours 12 minutes
2. 4 hours 48 minutes
3. 5 hours
4. 5 hours 20 minutes
5. 6 hours

The correct answer is B.

Question 5: What would be the next number if the sequence is 3, 7, 15, 31, 63, ?

1. 95
   B. 111
   C. 119
   D. 127
   E. 129

The correct answer is D.