Mathematics Exam Past Questions and Answers | JAMB, WAEC and NECO

Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.

• Question 2361:

  

  In the figure above, PQR is a straight line segment, PQ = QT. Triangle PQT is an isosceles triangle, ∠SQR is 75${}^{\circ }$ and ∠QPT is 25${}^{\circ }$. Calculate the value of ∠RST.

  Options:
  A) 45${}^{\circ }$
  B) 55${}^{\circ }$
  C) 25${}^{\circ }$
  D) 50${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 2362: A bag contains 5 black, 4 white and x red marbles. If the probability of picking a red marble is ²/₃, find the value of x Options:
  A) 8
  B) 10
  C) 4
  D) 6
  Show Answer
  The correct answer is D .
• Question 2363:

  

  In this figure, PQ = PR = PS and SRT = 68${}^{\circ }$. Find QPS.

  Options:
  A) 136${}^{\circ }$
  B) 124${}^{\circ }$
  C) 12${}^{\circ }$
  D) 68${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 2364: Each of the interior angles of a regular polygon is 140^o. Calculate the sum of all the interior angles of the polygon Options:
  A) 1080^o
  B) 1260^o
  C) 1800^o
  D) 2160^o
  Show Answer
  The correct answer is B .
• Question 2365: The nth term of two sequences are Q_n = 3 . 2^{n - 2} and U_m = 3 . 2^{2m - 3}. Find the product of Q₂ and U₂. Options:
  A) 18
  B) 12
  C) 6
  D) 3
  Show Answer
  The correct answer is A .
• Question 2366: Solve the inequalities for which $\frac{x+4}{3}-\frac{x-3}{2}<4$. Options:
  A) x < 7
  B) x > -7
  C) x < -7
  D) x > 7
  Show Answer
  The correct answer is B .
• Question 2367:

  

  From the venn diagram above, the complement of the set P$\cap$Q is given by

  Options:
  A) {a, b, d, e}
  B) {b, d}
  C) {a, e}
  D) {c}
  Show Answer
  The correct answer is D .
• Question 2368:

  

  In the diagram above, PQ is parallel to RS. What is the value of α + β + γ?

  Options:
  A) 360${}^{\circ }$
  B) 200${}^{\circ }$
  C) 180${}^{\circ }$
  D) 90${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 2369:

  If $\frac{3-\sqrt{3}}{2+\sqrt{3}}=a+b\sqrt{3}$, what are the values a and b?

  Options:
  A) a = 9, b = -5
  B) a = 5, b = 9
  C) a = 9, b = 5
  D) a = -5, b = 9
  Show Answer
  The correct answer is A .
• Question 2370: Find a factor which is common to all 3 binomial expressions $4a^2-9b^2,8a^3+27b^3,(4a+6b{)}^2$. Options:
  A) 4a + 6b
  B) 4a - 6b
  C) 2a + 3b
  D) 2a - 3b
  E) None
  Show Answer
  The correct answer is C .