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 351:

  

  Triangle SPT is the solution of the linear inequalities

  Options:
  A) 2y - x - 2 $\le$ 0, y + 2x + 2 $\ge$ 0, x $\ge$ 0
  B) 2y - x - 2 $\ge$ 0, y + 2x + 2 $\le$ 0, -2 $\ge$ x $\ge$ -1
  C) -2 $\ge$ x $\ge$ 2, y $\le$ 0, y + 2x + 2 $\ge$ 0, x $\ge$ 0
  D) 2y - x - 2 $\ge$ 0, y + 2x + 2 $\ge$ 0, y $\le$ 0, x $\ge$ 0
  Show Answer
  The correct answer is C .
• Question 352: What is the nth term of the progression 27, 9, 3,......? Options:
  A) 27$\frac{1}{3}$ ^{n - 1}
  B) 3^{n + 2}
  C) 27 + 18(n - 1)
  D) 27 + 6(n - 1)
  Show Answer
  The correct answer is A .
• Question 353:

  P(-6, 1) and Q(6, 6) are the two ends of the diameter of a given circle. Calculate the radius.

  Options:
  A) 6.5 units
  B) 13.0 units
  C) 3.5 units
  D) 7.0 units
  Show Answer
  The correct answer is A .
• Question 354:

  If log${}_{10}$2 = 0.3010 and log${}_{10}$3 = 0.4771, eventually without using the logarithm tables, log${}_{10}$4.5

  Options:
  A) 0.3010
  B) 0.4771
  C) 0.6532
  D) 0.9542
  Show Answer
  The correct answer is C .
• Question 355: If x * y = x + y², find then value of (2*3)*5 Options:
  A) 36
  B) 25
  C) 11
  D) 55
  Show Answer
  The correct answer is A .
• Question 356:

  

  In the figure, PQRS is a circle. If chords QR and RS are equal, calculate the value of x.

  Options:
  A) 80${}^{\circ }$
  B) 60${}^{\circ }$
  C) 45${}^{\circ }$
  D) 40${}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 357: Evaluate $\left|\begin{array}{ccc}4& 2& -1\\ 2& 3& -1\\ -1& 1& 3\end{array}\right|$ Options:
  A) 25
  B) 45
  C) 15
  D) 55
  Show Answer
  The correct answer is A .
• Question 358: 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 359: Express 130 kilometers per second in meters per hour Options:
  A) 7.8 x 10^-5
  B) 648 x 10⁶
  C) 7,800,00
  D) 4.68 x 10^-8
  E) 780 x 10⁵
  Show Answer
  The correct answer is D .
• Question 360:

  Two binary operations $\ast$ and $\oplus$ are defines as m $\ast$ n = mn - n - 1 and m $\oplus$ n = mn + n - 2 for all real numbers m, n.

  Find the value of 3 $\oplus$ (4 $\ast$ 50)

  Options:
  A) 60
  B) 57
  C) 54
  D) 42
  Show Answer
  The correct answer is C .