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 1511: Tunde and Shola can do a piece of work in 18 days. Tunde can do it alone in x days, whilst Shola takes 15 days longer to do it alone. Which of the following equations is satisfied by x? Options:
  A) x² - 5x - 10 = 0
  B) x² - 20x + 360 = 0
  C) x² - 21x - 270 = 0
  D) 3x² - 65x + 362 = 0
  Show Answer
  The correct answer is C .
• Question 1512:

  Find the value of x for which the function 3x³ - 9x² is minimum

  Options:
  A) zero
  B) 2
  C) 3
  D) 5
  Show Answer
  The correct answer is B .
• Question 1513: Integral ∫$(5x^3+7x^2-2x+5)$dx Options:
  A) $\frac{5x^4}{4}+\frac{7x^3}{3}+2x+C$
  B) $\frac{5x}{4}+\frac{7x^3}{3}-x^2+5x+C$
  C) $\frac{5x^3}{3}+\frac{7x^2}{x}-x+C$
  D) $\frac{2x^2}{3}+\frac{x}{5}-C$
  Show Answer
  The correct answer is B .
• Question 1514: Find the number of committees of three that can be formed consisting of two men and one woman from four men and three women Options:
  A) 3
  B) 6
  C) 18
  D) 24
  Show Answer
  The correct answer is C .
• Question 1515: 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 1516: Find the sum of the 20 term in an arithmetic progression whose first term is 7 and last term is 117 Options:
  A) 2480
  B) 1240
  C) 620
  D) 124
  Show Answer
  The correct answer is B .
• Question 1517:

  

  In the figure, $△$PQT is isosceles. PQ = QT, SRQ = 35${}^{\circ }$, TPQ = 20${}^{\circ }$ and PQR is a straight line.Calculate TSR

  Options:
  A) 20${}^{\circ }$
  B) 55${}^{\circ }$
  C) 75${}^{\circ }$
  D) 140${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 1518:

  A rectangular picture 6cm by 8cm is enclosed by a frame $\frac{1}{2}$cm wide. Calculate the area of the frame.

  Options:
  A) 15sq.cm
  B) 20sq.cm
  C) 13sq.cm
  D) 16sq.cm
  Show Answer
  The correct answer is A .
• Question 1519:

  Express $(0.0439÷3.62)$ as a fraction.

  Options:
  A) $\frac{21}{100}$
  B) $\frac{21}{1000}$
  C) $\frac{12}{1000}$
  D) $\frac{12}{100}$
  Show Answer
  The correct answer is C .
• Question 1520:

  

  TP and TQ are tangents to a circle centre 0 and r is a point on the circumference of the circle as shown in the figure. If angle PTQ = 45${}^{\circ }$, what is the magnitude of the angle PRO?

  Options:
  A) 45
  B) 135
  C) 40
  D) 76$\frac{1}{2}$
  E) 52$\frac{1}{2}$
  Show Answer
  The correct answer is D .