Download updated Oilserv assessment test past questions and answers in PDF as this is the easiest way to pass their online cbt test / exam. Our Oilserv Group material was carefully compiled from past recruitment exams to help candidates preparing for their computer based test.
Oilserv Group at a Glance – Job Test Questions and Answers
Oilserv Group provide Total Quality Management Services (TQMS) to Local and International oil & gas companies, and Energy Companies operating in Nigeria for onshore and offshore activities. Getting employed by this envious oil company is quite an odious task as their recruitment exam is so difficult to pass. However, candidate who prepare with our up to date material will always find things easy. So we strongly advise you download the material in pdf.
Why You Need Our Oilserv Job Aptitude Test Past Questions and Answers
The answers to the above questions is simple, it will expose you the questions to expect in the job test and repeating of questions from our material is very possible. You will really be doing yourself lots of good if you get yourself well prepared with our Oilserv Group past questions and answers.
What Is Oilserv Job Test Format?
Knowing the format of Our serve recruitment exam format is the first step to take in preparing for the online computer based test (cbt), below is the format of the exam:
- Position Based Questions
- Numerical Reasoning
- Verbal Reasoning
- Current Affair
- English
- Mathematics
- Quantitative Reasoning
- Coding and Decoding test
- General Paper etc
Oilserv Group Sample Question – Online Assessment Test
For Oilserv various sample questions we advise you to purchased our recently updated Oilserv job test past questions answers. To give you a clue as to what to expect, below are few sample questions from past recruitment exams:
1. What are next two letters in the given series?
E F H K O ?
A. TZ
B. SY
C. SX
D. RW
Correct Answer: A
Explanation:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Here the next alphabet skips alphabets in increasing order of 0, 1, 2, 3, etc.
- After E, 0 alphabets skipped. So, we get F which is immediately next.
- After F, 1 alphabet skipped. So, we skip G which is next and get H.
- After H, 2 alphabets skipped. So, we skip I J and get K.
- After K, 3 alphabets skipped. So, we skip L M N and get O.
- After O, 4 alphabets skipped. So, we skip P Q R S and get T.
- After T, 5 alphabets skipped. So, we skip U V W X Y and get Z.
2. Considering given statements as true, select a logical conclusion based on the given statements.
Statements:
Some cats are animals.
All plants are animals.
All animals are plants.
Conclusions:
I. Some cats are plants.
II. All plants are animals.
III. All animals are cats.
IV. All plants are cats.
A. Only II and III follow
B. Only II follows
C. Only I, II and IV follow
D. Only I and II follow
E. None of the above options
Answer: D. Only I and II follow
Explanation:
Plants and animals will have same circle.

3. What year was Oilserv Group started operation?
A. 1992
B. 1995
C. 2001
D. 2005
Correct Answers: B
4. Who is the founder of Oilserv Group?
A. Emeka Okwuosa
B. Bamidele Bolaji
C. Okeke Chigozie
D. Marry Asazuwa
Current Answers: A
5). An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is:
A. 2%
B. 2.02%
C. 4%
D. 4.04%
Correct Answers is: D
Explanation:
100 cm is read as 102 cm.
∴ A1 = (100 x 100) cm2 and A2 (102 x 102) cm2
(A2 – A1) = [(102)2 – (100)2]
= (102 + 100) x (102 – 100)
= 404 cm2
∴ Percentage error
(404 /100 x 100) X 100)%
=4.04%
NOTE: The sample questions above is just to give you an idea of what to expect in the Oilserv job test, for better preparation for the online cbt test, we strongly advise you purchase our complete up to date Oilserv past questions and answers compiled in PDF.
This PDF material was last updated this year 2026, it's relevant for the Computer Based Test (CBT), online Assessment and written exams.
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