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 1421: Express the product of 0.21 and 0.34 in standard form Options:
  A) 7.14 x 10^-3
  B) 7.14 x 10^-2
  C) 7.14 x 10^-1
  D) 7.14 x 10^-4
  Show Answer
  The correct answer is B .
• Question 1422: The angle of elevation of the top of a vertical tower from a point A on the ground is 60${}^{\circ }$. From a point B, 2 units of distance further away from the foot of the tower, the angle of elevation of the tower is 45${}^{\circ }$. Find the distance of A from the foot of the tower Options:
  A) 3 + $\sqrt{3}$
  B) 5 + $\sqrt{3}$
  C) 3 - $\sqrt{3}$
  D) 1
  E) $\sqrt{3}$ - 1
  Show Answer
  The correct answer is D .
• Question 1423:

  Find p in terms of q if log₃ p + 3 log₃ q = 3

  Options:
  A) ($\frac{3}{q}$)³
  B) ($\frac{q}{3}$)^{$\frac{1}{3}$}
  C) ($\frac{q}{3}$)³
  D) ($\frac{3}{q}$)^{$\frac{1}{3}$}
  Show Answer
  The correct answer is A .
• Question 1424: 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 1425:

  

  In the figure, PQRS is a circle with ST||RQ. Find the value of x if PT = PS

  Options:
  A) 70${}^{\circ }$
  B) 55${}^{\circ }$
  C) 40${}^{\circ }$
  D) 35${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1426: If Q is a factor of 18 and T is prime numbers between 2 and 18. What is Q$\cap$T? Options:
  A) (2,3)
  B) (2,3,18)
  C) (2,3,9)
  D) (2,3,6)
  Show Answer
  The correct answer is A .
• Question 1427: In $△$ XYZ, XY = 13cm, YZ = 9cm, XZ = 11cm and XYZ = $\theta$. Find cos$\theta$^o Options:
  A) $\frac{4}{39}$
  B) $\frac{43}{39}$
  C) $\frac{209}{3}$
  D) $\frac{43}{78}$
  Show Answer
  The correct answer is D .
• Question 1428: If y = 2x³ + 6x² + 6x + 1, Find $\frac{dy}{dx}$ Options:
  A) 6x² + 12x + 1
  B) 6x² + 6x + 1
  C) 6x² + 6x + 6
  D) 6x² + 12x + 6
  Show Answer
  The correct answer is D .
• Question 1429: If sin θ = 4/5 where 0° ∠ θ ∠ 900, what is the value of cos θ + tan θ? Options:
  A) $\frac{14}{15}$
  B) $\frac{15}{29}$
  C) $\frac{13}{8}$
  D) $\frac{144}{15}$
  E) $\frac{24}{5}$
  Show Answer
  The correct answer is D .
• Question 1430: A variable y is inversely proportional to x², when y = 10, x = 2. What is y when x = 10? Options:
  A) 2
  B) 4
  C) 100
  D) 0.4
  E) 0.1
  Show Answer
  The correct answer is D .