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 1381:

  Evaluate (2√3 - 4) (2√3 + 4) 

  Options:
  A) -4
  B) -2
  C) 2
  D) 4
  Show Answer
  The correct answer is A .
• Question 1382: Find the coefficient of xy in the expansion of (x - 4y)(3x + 2y) Options:
  A) 14
  B) 12
  C) 10
  D) -10
  E) -12
  Show Answer
  The correct answer is D .
• Question 1383: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number Options:
  A) 2
  B) 3
  C) 4
  D) 5
  E) 6
  Show Answer
  The correct answer is B .
• Question 1384:

  The table shown gives the marks scored by a group of student in a test. Use the table to answer the question given.

  Mark	0	1	2	3	4	5
  Frequency	1	2	7	5	4	3

  What is the probability of selecting a student from the group that scored 2 or 3?

  Options:
  A) $\frac{1}{11}$
  B) $\frac{5}{22}$
  C) $\frac{7}{22}$
  D) $\frac{6}{11}$
  Show Answer
  The correct answer is D .
• Question 1385:

  Let P = {1, 2, u, v, w, x}; Q = {2, 3, u, v, w, 5, 6, y} and R = {2, 3, 4, v, x, y}.

  Determine (P-Q) ∩ R

  Options:
  A) {1, x}
  B) {x y}
  C) {x}
  D) ɸ
  Show Answer
  The correct answer is C .
• Question 1386:

  200 tickets were sold for a show. VIP tickets costs ₦1,200 and ₦700 for regular. Total amount realised from the sale of the tickets was ₦180,000. Find the number of VIP tickets sold and the the number of regular ticket sold.

  Options:
  A) VIP = 80, Regular = 100
  B) VIP = 60, Regular = 120
  C) VIP = 60, Regular = 100
  D) VIP = 80, Regular = 120
  Show Answer
  The correct answer is D .
• Question 1387: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 1388:

  

  Find the value of $\theta$ in the diagram

  Options:
  A) 60${}^{\circ }$
  B) 100${}^{\circ }$
  C) 120${}^{\circ }$
  D) 30${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 1389:

  

  The sketch is the curve of y = ax² + bx + c. Find a, b and c respectively

  Options:
  A) 1, 0, -4
  B) -2, 2, -4
  C) 0, 1, -4
  D) 2, -2, -4
  E) 2, -2, -4
  Show Answer
  The correct answer is A .
• Question 1390: What is the rate of change of the volume v of a hemisphere with respect to its radius r when r = 2? Options:
  A) 8π
  B) 16π
  C) 2π
  D) 4π
  Show Answer
  The correct answer is A .