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 1401: The sum of the roots of a quadratic equation $\frac{5}{2}$ and product of its roots is 4. The quadratic equation is Options:
  A) $2x^2+5x+8=0$
  B) $2x^2-5x+8=0$
  C) $2x^2-8x+5=0$
  D) $2x^2+8x-5=0$
  E) $2x^2+5x-8=0$
  Show Answer
  The correct answer is B .
• Question 1402: Find the radius of a sphere whose surface area is 154 cm² Options:
  A) 7.00 cm
  B) 3.50 cm
  C) 3.00 cm
  D) 1.75 cm
  Show Answer
  The correct answer is B .
• Question 1403: If the mean of the following set of data, 2, 3,3,3, 2,4 4 and 3 is divided by its mode, the result is: Options:
  A) 1
  B) 2
  C) 3
  D) 5
  E) 8
  Show Answer
  The correct answer is A .
• Question 1404: The perpendicular bisector of a line XY is the locus of a point B. whose distance from Y is always twice its distance from X. C Options:
  A) whose distance from X is always twice its distance from Y
  B) whose distance from Y is always twice its distance from X.
  C) which moves on the line XY
  D) which is equidistant from the points X and y
  Show Answer
  The correct answer is D .
• Question 1405: What is the value of x satisfying the equation $\frac{4^{2x}}{4^{3x}}$ = 2? Options:
  A) -2
  B) -$\frac{1}{2}$
  C) $\frac{1}{2}$
  D) 2
  Show Answer
  The correct answer is B .
• Question 1406:

  The kinetic element with respect to the multiplication shown in the diagram below is

  $\begin{array}{ccccc}\oplus & p& p& r& s\\ p& r& p& r& p\\ q& p& q& r& s\\ r& r& r& r& r\\ s& q& s& r& q\end{array}$

  Options:
  A) p
  B) q
  C) r
  D) s
  Show Answer
  The correct answer is D .
• Question 1407: Simplify $\frac{\sqrt{5}(\sqrt{147}-\sqrt{12}}{\sqrt{15}}$ Options:
  A) 5
  B) $\frac{1}{5}$
  C) $\frac{1}{9}$
  D) 9
  Show Answer
  The correct answer is A .
• Question 1408:

  Two numbers are respectively 35% and 80% more than a third number. The ratio of the two numbers is

  Options:
  A) 7 : 16
  B) 3 : 4
  C) 16 : 7
  D) 4 : 3
  Show Answer
  The correct answer is B .
• Question 1409: Simplify the given expression $\sqrt{\frac{1-cosx}{1+cosx}}$ Options:
  A) $\frac{1-cosx}{sinx}$
  B) 1 - cos x
  C) sin x
  D) 1 + cos x
  E) $\frac{1+cosx}{sinx}$
  Show Answer
  The correct answer is A .
• Question 1410:

  The pie chart shows the monthly expenditure of a public servant. The monthly expenditure on housing is twice that of school fees. How much does the worker spend on housing if his monthly income is ₦7200?

  Options:
  A) ₦1000
  B) ₦2000
  C) ₦3000
  D) ₦4000
  Show Answer
  The correct answer is B .