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: Given that Z = {1,2,4,5} what is the power of set Z? Options:
  A) 16
  B) 8
  C) 10
  D) 12
  Show Answer
  The correct answer is A .
• Question 1382: An aeroplane flies due north from airport P to Q and then flies due east R. If Q is equidistant from P and R, find the bearing of P and R Options:
  A) 90${}^{\circ }$
  B) 135${}^{\circ }$
  C) 225${}^{\circ }$
  D) 270${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 1383: Simplify [1 ÷ (x + 1)] - [2 ÷ (x - 1)] + [3 ÷ (x² - 1)] Options:
  A) - 3x ÷ (x² - 1)
  B) - x ÷ (x² -1)
  C) x ÷ (x² - 1)
  D) (x + 1) ÷ (x² - 1)
  E) (x + 4) ÷ (x² - 1)
  Show Answer
  The correct answer is B .
• Question 1384: The distance travelled by a particle from a fixed point is given as s = (t³ - t² - t + 5)cm. Find the minimum distance that the particle can cover from the fixed point. Options:
  A) 2.3 cm
  B) 4.0cm
  C) 5.2
  D) g
  Show Answer
  The correct answer is B .
• Question 1385: Find the surface area of a sphere whose radius is 3.5cm, correct your answer to one decimal place (π = $\frac{22}{5}$) Options:
  A) 12.8cm²
  B) 25.7cm²
  C) 77.0cm²
  D) 154.0cm²
  E) 179.7cm²
  Show Answer
  The correct answer is D .
• Question 1386: A car travels at an average speed of 75km/h. Find its speed in metres per second. Options:
  A) 270m/s
  B) 208m/s
  C) 27.0m/s
  D) 20.8m/s
  E) 2.08m/s
  Show Answer
  The correct answer is D .
• Question 1387: If sin $\theta$ = $\frac{m-n}{m+n}$; Find the value of 1 + tan²$\theta$ Options:
  A) $\frac{(m^2+n^2)}{m+n}$
  B) $\frac{(m^2+n^2+2mm)}{4mn}$
  C) $\frac{2(m^2+n^2+mn)}{m+n}$
  D) $\frac{(m^2+n^2+mn)}{m+n}$
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  The correct answer is B .
• Question 1388: Convert 3.1415926 to 5 decimal places Options:
  A) 3.14160
  B) 3.14159
  C) 0.31415
  D) 3.14200
  Show Answer
  The correct answer is B .
• Question 1389: Multiply (x + 3y + 5) by (2x² + 5y + 2) Options:
  A) 2x² + 3yx² + 10xy + 15y² + 13y + 10x² + 2x + 10
  B) 2x³ + 6yx² + 5xy + 5y² + 31y + 5x² + 2x + 10
  C) 2x³ + 6xy² + 5xy + 15y² + 12y + 10x² + 2x = 10
  D) 2x² + 6xy² + 5xy + 15y² + 13y + 10x² + 2x + 10
  E) 2x³ + 2yx² + 10xy + 10y² + 31y + 5x² + 10
  Show Answer
  The correct answer is B .
• Question 1390: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .