Nigerian Correctional Service Past Questions and Answers | PDF Download (Latest Edition)

Nigerian Correctional Service Past Questions and Answers: Are you getting ready for the Nigerian Correctional Service (NCoS) recruitment exam? Do you want to pass the test successfully and secure your dream job with the Federal Government of Nigeria? If so, this article is specifically for you. Here, you will find everything you need to know about the Nigerian Correctional Service Past Questions and Answers PDF, including the exam format, sample questions, and instructions on how to download the latest version for 2025. More than 80% of the questions in the actual Nigerian Correctional Service recruitment exam are repeated or adapted from these past questions.

About the Nigerian Correctional Service Recruitment Exam

The Nigerian Correctional Service (NCoS), previously known as the Nigerian Prisons Service (NPS), conducts recruitment exercises nationwide to hire qualified Nigerians for various positions within the service. The recruitment process includes:

1. Online application

2. Shortlisting

3. Computer-Based Test (CBT) or written exam

4. Screening and interview

The examination phase assesses candidates’ general knowledge, reasoning skills, and awareness of current national affairs. Thousands apply each year, but only those who prepare with verified NCoS Past Questions and Answers PDFs succeed.

Nigerian Correctional Service Exam Format

The recruitment exam is a multiple-choice test (MCQ) divided into the following key sections:

1. English Language / Verbal Reasoning

2. Mathematics / Quantitative Reasoning

3. Current Affairs / General Knowledge

4. Logical Reasoning and General Studies

Each section evaluates your analytical thinking, problem-solving ability, and understanding of national events and policies.

Sample Nigerian Correctional Service Past Questions and Answers (2025 Updated Edition)

English Language / Verbal Reasoning

1. Choose the correct option:
The officer as well as the recruits ___ ready for the parade.
A. are
B. is
C. were
D. be

✅ Answer: B. is

2. Choose the word that is nearest in meaning to Diligent:
A. Lazy
B. Hardworking
C. Slow
D. Careful

✅ Answer: B. Hardworking

Mathematics / Quantitative Reasoning

3. Simplify: (15 × 3) + (60 ÷ 5)
A. 30
B. 35
C. 45
D. 50

✅ Answer: D. 50

4. A bag contains 10 red balls and 15 green balls. What fraction of the balls are red?
A. 2/3
B. 1/3
C. 2/5
D. 1/2

✅ Answer: C. 2/5

Current Affairs / General Knowledge

5. Who is the current Comptroller-General of the Nigerian Correctional Service (as of 2025)?
A. Ja’afaru Ahmed
B. Haliru Nababa
C. Abubakar Sani
D. Tunde Ajayi

✅ Answer: B. Haliru Nababa

6. The Nigerian Correctional Service operates under which government ministry?
A. Ministry of Interior
B. Ministry of Justice
C. Ministry of Defence
D. Ministry of Police Affairs

✅ Answer: A. Ministry of Interior

7. When was the Nigerian Correctional Service officially renamed from the Nigerian Prisons Service?
A. 2015
B. 2017
C. 2019
D. 2020

✅ Answer: C. 2019

Logical Reasoning / General Studies

8. If all prisons are correctional centers and some correctional centers are in Abuja, which of the following is true?
A. All prisons are in Abuja
B. Some prisons are in Abuja
C. No prisons are in Abuja
D. All correctional centers are prisons

✅ Answer: B. Some prisons are in Abuja

9. A man walks 4 km north, then 3 km east. What is his distance from the starting point?
A. 5 km
B. 6 km
C. 7 km
D. 4 km

✅ Answer: A. 5 km

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