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Free Practice Questions for Baccalauréat Mauritanien

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Sample Baccalauréat Mauritanien Practice Questions

Try these sample questions to review concepts for the Baccalauréat Mauritanien exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What is the derivative of the real-valued function f(x) = x * ln(x) - x for all x > 0?
A.f'(x) = ln(x)
B.f'(x) = ln(x) - 1
C.f'(x) = 1/x
D.f'(x) = ln(x) + 1
Explanation: Applying the product rule to the first term yields d/dx [x * ln(x)] = 1 * ln(x) + x * (1/x) = ln(x) + 1. Differentiating the second term -x gives -1. Combining these gives f'(x) = (ln(x) + 1) - 1 = ln(x).
2What is the limit as x approaches 0 of the expression (e^x - 1) / x?
A.0
B.1
C.e
D.The limit does not exist (diverges to infinity)
Explanation: This is the classic definition of the derivative of the exponential function g(x) = e^x at x = 0: lim_{x -> 0} (e^x - e^0) / (x - 0) = g'(0) = e^0 = 1. Alternatively, applying L'Hôpital's rule gives lim_{x -> 0} (e^x / 1) = e^0 = 1.
3What is the unique solution to the initial value problem y' - 3y = 0 with the initial condition y(0) = 5?
A.y(x) = 5 * e^(-3x)
B.y(x) = 3 * e^(5x)
C.y(x) = 5 * e^(3x)
D.y(x) = 5 + 3x
Explanation: The first-order linear differential equation y' = 3y has the general solution y(x) = C * e^(3x). Applying the initial condition y(0) = 5 gives C * e^0 = C = 5. Therefore, the unique solution is y(x) = 5 * e^(3x).
4What is the value of the definite integral ∫_{1}^{e} (ln(x) / x) dx?
A.1
B.e - 1
C.2
D.1/2
Explanation: Using substitution with u = ln(x), du = (1/x) dx. When x = 1, u = ln(1) = 0. When x = e, u = ln(e) = 1. The integral becomes ∫_{0}^{1} u du = [u^2 / 2]_{0}^{1} = 1/2 - 0 = 1/2.
5What are the modulus and principal argument of the complex number z = 1 + i*sqrt(3)?
A.Modulus = 2, Argument = pi/3
B.Modulus = 2, Argument = pi/6
C.Modulus = 4, Argument = pi/3
D.Modulus = sqrt(2), Argument = 2*pi/3
Explanation: The modulus is |z| = sqrt(1^2 + (sqrt(3))^2) = sqrt(1 + 3) = sqrt(4) = 2. Writing z = 2 * (1/2 + i*sqrt(3)/2), we recognize cos(theta) = 1/2 and sin(theta) = sqrt(3)/2, which gives theta = pi/3 radians.
6What are the complex roots of the quadratic equation z^2 - 2z + 4 = 0 in the set of complex numbers C?
A.z = 1 ± 3i
B.z = 1 ± i*sqrt(3)
C.z = 2 ± 2i*sqrt(3)
D.z = -1 ± i*sqrt(3)
Explanation: The discriminant is Delta = (-2)^2 - 4(1)(4) = 4 - 16 = -12 = (2i*sqrt(3))^2. The roots are given by z = (-(-2) ± 2i*sqrt(3)) / 2 = (2 ± 2i*sqrt(3)) / 2 = 1 ± i*sqrt(3).
7In the complex plane, a transformation f associates to each point M of affix z the point M' of affix z' = i*z + 2 - i. What is the nature and geometric characteristic of f?
A.A translation of vector u(2, -1)
B.A homothety of ratio 1 and center (1, 1)
C.A rotation of angle pi/2 and center Omega with affix (3 + i)/2
D.A reflection across the real axis
Explanation: The transformation is of the form z' = a*z + b with a = i. Since |a| = |i| = 1 and a != 1, f is a rotation of angle arg(a) = arg(i) = pi/2. The invariant center Omega has affix omega satisfying omega = i*omega + 2 - i => omega * (1 - i) = 2 - i => omega = (2 - i) / (1 - i) = (2 - i)(1 + i) / (1^2 + (-1)^2) = (2 + 2i - i + 1) / 2 = (3 + i)/2.
8An urn contains 4 red balls, 3 green balls, and 5 blue balls. If 2 balls are drawn simultaneously at random, what is the probability that both drawn balls are red?
A.1/22
B.1/6
C.2/11
D.1/11
Explanation: The total number of balls is 4 + 3 + 5 = 12. The number of ways to draw 2 balls from 12 is C(12, 2) = (12 * 11) / 2 = 66. The number of ways to draw 2 red balls from 4 is C(4, 2) = (4 * 3) / 2 = 6. The probability is P = 6 / 66 = 1 / 11.
9A discrete random variable X follows a binomial distribution B(n = 5, p = 0.4). What is the mathematical expectation E(X)?
A.2.0
B.1.2
C.2.5
D.0.8
Explanation: For any binomial random variable X ~ B(n, p), the mathematical expectation is given by E(X) = n * p. Here, E(X) = 5 * 0.4 = 2.0.
10Let A and B be two events such that P(B) = 0.50 and P(A ∩ B) = 0.15. What is the conditional probability P(A | B)?
A.0.075
B.0.30
C.0.65
D.0.35
Explanation: By definition of conditional probability, P(A | B) = P(A ∩ B) / P(B). Substituting the given values: P(A | B) = 0.15 / 0.50 = 0.30.

About the Baccalauréat Mauritanien Exam

The Baccalauréat is Mauritania's national secondary-school leaving examination and the qualification for entry to higher education. It is set by the Direction des Examens et des Concours (DEC) of the Ministère de l'Éducation et de la Réforme du Système d'Enseignement at the end of the seventh year of secondary school (7AS). Papers differ by series: SN, M, TM, LO, LM and LA. Only 13.56% of the 60,376 candidates who sat the 2026 main session passed, and a session complémentaire followed in August. This free 100-question bank is independent practice by OpenExamPrep for core topics across the series, weighted toward mathematics and the sciences. It is an English-language MCQ study adaptation, not an official translation, past paper, or simulation of the written Arabic and French papers.

Exam sponsor: Direction des Examens et des Concours (DEC), Ministère de l'Éducation et de la Réforme du Système d'Enseignement. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

The Direction des Examens et des Concours (DEC) sets the Baccalauréat nationally at the end of the seventh year of secondary school (7AS). In 2026, 64,532 candidates registered for the main session (29 June–2 July) in 195 centres, and 6,639 sat the session complémentaire on 3–4 August. The 2026 results list six series: Sciences naturelles (SN), Mathématiques (M), Mathématiques techniques (TM), Lettres originales (LO), Lettres modernes (LM) and Langues (LA). Papers follow Mauritania's bilingual Arabic-French curriculum. This 100-question bank samples subjects across the series, with more science than literary content, and is an independent English-language MCQ study adaptation by OpenExamPrep, not an official paper or format simulation.

Time Limit

Four-day main session (29 June–2 July 2026) and a session complémentaire on 3–4 August 2026. Per-paper durations are not published on DEC's public pages.

Passing Score

Results are weighted averages out of 20. Prep guides describe 10/20 as the pass mark, and the ministry sets eligibility for the session complémentaire each year; DEC's public results pages do not state these thresholds (checked September 2026).

Exam / Certification Fees

Not listed on DEC or government procedures pages (checked September 2026); confirm with your school or the DEC.

Exam sponsor website

Reported exam pass rate: 13.56% (2026 main session). 60,376 candidates sat and 8,188 were admitted in the main session (AMI; Le360). Independent candidates (candidats libres) passed at 4.97%. The session complémentaire results raise the final total. This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

Practice sample: 25 questions

Mathematics

Calculus, limits, integration, differential equations, sequences, complex numbers, arithmetic, space geometry, and probability.

Practice sample: 25 questions

Physical and chemical sciences

Mechanics, oscillations, electrical circuits, waves, radioactivity, kinetics, acid-base chemistry, organic chemistry, and electrochemistry.

Practice sample: 20 questions

Natural sciences (SVT)

Genetics, molecular and cell biology, neurophysiology, immunology, reproduction, and geology.

Practice sample: 10 questions

Philosophy

Knowledge and science, the unconscious, political philosophy, ethics, existentialism, and Arab-Islamic philosophy.

Practice sample: 10 questions

French language and literature

Figures of speech, moods, reported speech, argumentation, literary movements, and Francophone African literature.

Practice sample: 10 questions

Arabic language, literature and Islamic thought

Arabic grammar and rhetoric, classical poetry, the mahdhara tradition, and Islamic legal theory.

Preparing for the Baccalauréat Mauritanien Exam

What You Need to Know

  • Passing score: Results are weighted averages out of 20. Prep guides describe 10/20 as the pass mark, and the ministry sets eligibility for the session complémentaire each year; DEC's public results pages do not state these thresholds (checked September 2026).
  • Assessment: The Direction des Examens et des Concours (DEC) sets the Baccalauréat nationally at the end of the seventh year of secondary school (7AS). In 2026, 64,532 candidates registered for the main session (29 June–2 July) in 195 centres, and 6,639 sat the session complémentaire on 3–4 August. The 2026 results list six series: Sciences naturelles (SN), Mathématiques (M), Mathématiques techniques (TM), Lettres originales (LO), Lettres modernes (LM) and Langues (LA). Papers follow Mauritania's bilingual Arabic-French curriculum. This 100-question bank samples subjects across the series, with more science than literary content, and is an independent English-language MCQ study adaptation by OpenExamPrep, not an official paper or format simulation.
  • Time limit: Four-day main session (29 June–2 July 2026) and a session complémentaire on 3–4 August 2026. Per-paper durations are not published on DEC's public pages.
  • Exam / certification fees: Not listed on DEC or government procedures pages (checked September 2026); confirm with your school or the DEC. Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

Frequently Asked Questions

Who administers the Baccalauréat in Mauritania?

The Direction des Examens et des Concours (DEC) of the Ministère de l'Éducation et de la Réforme du Système d'Enseignement. Results are published on the ministry's DEC results portal.

What are the Baccalauréat series in Mauritania?

The 2026 results list six series: Sciences naturelles (SN), Mathématiques (M), Mathématiques techniques (TM), Lettres originales (LO), Lettres modernes (LM) and Langues (LA).

How many candidates passed the 2026 Baccalauréat?

In the June–July 2026 main session, 8,188 of the 60,376 candidates who sat passed (13.56%). A session complémentaire for 6,639 candidates was held on 3–4 August 2026.

In what languages is the official examination conducted?

Papers are set in Arabic and French, following Mauritania's bilingual secondary curriculum. This bank uses English for questions and explanations but keeps French and Arabic text where the language itself is being tested.

Does this question bank simulate official Baccalauréat papers?

No. The official papers are long written problems and essays. These 100 questions are an independent English-language MCQ study adaptation by OpenExamPrep, not an official translation or past paper.