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 1321: The parallel sides of a trapezium are 13cm and 7cm. If the area of the trapezium is 50cm2, find the perpendicular distance between the parallel sides. Options:
  A) 5cm
  B) 6cm
  C) 7cm
  D) 10cm
  E) 12cm
  Show Answer
  The correct answer is A .
• Question 1322: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 1323:

  The perimeter of an isosceles right-angledtriangle is 2 meters. Find the length of its longer side.

  Options:
  A) 2 - $\sqrt{2}$
  B) -4 + 3$\sqrt{2}$
  C) It cannot be determined
  D) -2 + 2$\sqrt{2}$ m
  Show Answer
  The correct answer is D .
• Question 1324: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 1325: If 7 and 189 are the first and fourth terms of geometric progression respectively, find the sum of the first three terms of the progression Options:
  A) 182
  B) 91
  C) 63
  D) 28
  Show Answer
  The correct answer is B .
• Question 1326:

  Express 495g as a percentage of 16.5kg

  Options:
  A) 3%
  B) 3 $\frac{1}{3}$%
  C) 15%
  D) 30%
  Show Answer
  The correct answer is A .
• Question 1327:

  

  In the diagram, QTR is a straight line and < PQT = 30${}^{\circ }$. find the sin of < PTR

  Options:
  A) $\frac{8}{15}$
  B) $\frac{2}{3}$
  C) $\frac{3}{4}$
  D) $\frac{15}{16}$
  Show Answer
  The correct answer is C .
• Question 1328:

  

  On the curve, the points at which the gradient of the curve is equal to zero are

  Options:
  A) c, d, f. i, l
  B) b, e, g, j, m
  C) a, b, c, d, f, i, j, l
  D) c, d, f, h, i, l
  Show Answer
  The correct answer is B .
• Question 1329: Factorize completely 9y² - 16X² Options:
  A) (3y - 2x)(3y + 4x)
  B) (3y + 4x)(3y + 4x)
  C) (3y + 2x)(3y - 4x)
  D) (3y - 4x)(3y + 4x)
  Show Answer
  The correct answer is D .
• Question 1330: If the price of oranges was raised by $\frac{1}{2}$k per orange. The number of oranges a customer can buy for ₦2.40 will be less by 16. What is the present price of an orange? Options:
  A) 2$\frac{1}{2}$
  B) $\frac{2}{15}$
  C) 5$\frac{1}{3}$
  D) 20
  Show Answer
  The correct answer is A .