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 1281: Find the eleventh term of the progression 4, 8, 16..... Options:
  A) 2¹³
  B) 2¹²
  C) 2¹¹
  D) 2¹⁰
  Show Answer
  The correct answer is B .
• Question 1282: Raial has 7 different posters to be hanged in her bedroom, living room and kitchen. Assuming she has plans to place at least a poster in each of the 3 rooms, how many choices does she have? Options:
  A) 49
  B) 170
  C) 21
  D) 210
  Show Answer
  The correct answer is D .
• Question 1283: Express 37.05 x 0.0042 in standard form Options:
  A) 15.561 x 10²
  B) 1.5561 x 10^-4
  C) 1.556 x 10^-1
  D) 1.5561 x 10¹
  E) 1.55 x 10¹
  Show Answer
  The correct answer is C .
• Question 1284: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .
• Question 1285: An arc of circle of radius 2cm subtends an angle of 60^o at the centre. Find the area of the sector Options:
  A) $\frac{2\pi }{3}$cm²
  B) $\frac{\pi }{2}$cm²
  C) $\frac{\pi }{3}$cm²
  D) $\pi$cm²
  Show Answer
  The correct answer is A .
• Question 1286:

  $\begin{array}{cccc}\text{Class Interval}& Frequency& \text{Class boundaries}& \text{Class Mid-point}\\ 1.5-1.9& 2& 1.45-1.95& 1.7\\ 2.0-2.4& 21& 1.95-2.45& 2.2\\ 2.5-2.9& 4& 2.45-2.95& 2.7\\ 3.0-2.9& 15& 2.95-3.45& 3.2\\ 3.5-3.9& 10& 3.45-3.95& 3.7\\ 4.0-4.4& 5& 3.95-4.45& 4.2\\ 4.5-4.9& 3& 4.45-4.95& 4.7\end{array}$

  Find the mode of the distribution above to find the mode of the distribution.

  Options:
  A) 3.2
  B) 3.3
  C) 3.7
  D) 4.2
  Show Answer
  The correct answer is B .
• Question 1287:

  If the 3rd and 7th terms of a G.P are 9 and 1/9 respectively. Find the common ratio.

  Options:
  A) $\frac{1}{3}$
  B) $\frac{1}{9}$
  C) $\frac{2}{3}$
  D) $\frac{2}{9}$
  Show Answer
  The correct answer is A .
• Question 1288: Simplify $\frac{x-y}{x^{\frac{1}{3}}-x^{\frac{1}{3}}}$ Options:
  A) x² + xy + y²
  B) x^{$\frac{2}{3}$} + x ^{$\frac{1}{3}$} + y^{$\frac{2}{3}$}
  C) x^{$\frac{2}{3}$} - x^{$\frac{1}{3}$}y^{$\frac{2}{3}$}
  D) y^{$\frac{2}{3}$}
  Show Answer
  The correct answer is B .
• Question 1289:

  

  Use the graph of the curve y = f(x)to solve the inequality f(x) $\le$ 0

  Options:
  A) -1 $\ge$ x $\ge$ 1, x $\ge$ 2
  B) x $\le$ -1, 1 $\ge$ x $\ge$ 2
  C) x $\ge$ -1, 1 $\ge$ x $\ge$ 2
  D) x $\ge$ 2, -1 $\ge$ x $\ge$ 1
  Show Answer
  The correct answer is B .
• Question 1290:

  Find the polynomial if given q(x) = x${}^2$ - x - 5, d(x) = 3x - 1 and r(x) = 7.

  Options:
  A) 3x${}^3$ - 4x${}^2$ - 14x + 12
  B) 3x${}^2$ + 3x - 7
  C) 3x${}^3$ + 4x${}^2$ + 14x - 12
  D) 3x${}^2$ - 3x + 4
  Show Answer
  The correct answer is A .