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 1161:

  

  The equation of the line in the graph is

  Options:
  A) 3y = 4x + 12
  B) 3y = 3x + 12
  C) 3y = -4x + 12
  D) 3y = -4x + 9
  Show Answer
  The correct answer is C .
• Question 1162:

  

  PQRST is a regular pentagon and PQVU is a rectangle with U and V lying on TS and SR respectively as shown in the diagram. Calculate TUP

  Options:
  A) 18${}^{\circ }$
  B) 54${}^{\circ }$
  C) 90${}^{\circ }$
  D) 108${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1163:

  The simple interest on ₦8550 for 3 years at x% per annum is ₦4890. Calculate the value of x to the nearest whole number.

  Options:
  A) 19%
  B) 20%
  C) 25%
  D) 16.3%
  Show Answer
  The correct answer is A .
• Question 1164: 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 1165:

  $\text{P}={\left[\frac{\mathrm{Q}(\mathrm{R}-\mathrm{T})}{15}\right]}^{\frac{1}{3}}$

  Make T the subject of the relation.

  Options:
  A) $\text{T}=\frac{\text{R}+\text{P3}}{15\text{Q}}$
  B) $\text{T}=\frac{\text{R}-15{\text{P}}^3}{\text{Q}}$
  C) $\text{T}=\text{R}-\frac{15{\text{P}}^3}{\text{Q}}$
  D) $\text{T}=\frac{15\text{R}+\text{Q}}{{\text{P}}^3}$
  Show Answer
  The correct answer is C .
• Question 1166: Rationalize the denominator of the given expression $\frac{\sqrt{1+a}-\sqrt{a}}{1+a+\sqrt{a}}$ Options:
  A) 1 + 2a - 2$\sqrt{a(1+a)}$
  B) $\sqrt{1(1+a)}$
  C) 2a - 2$\sqrt{a(1+a)}$
  D) 1 + 2a - 2$\sqrt{a+b}$
  Show Answer
  The correct answer is A .
• Question 1167: Find the standard derivation of the following data -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5 Options:
  A) 2
  B) 3
  C) $\sqrt{10}$
  D) $\sqrt{11}$
  Show Answer
  The correct answer is C .
• Question 1168:

  A trader realises 10x - x${}^2$ Naira profit from the sale of x bags of corn. How many bags will give him the maximum profit?

  Options:
  A) 7
  B) 6
  C) 5
  D) 4
  Show Answer
  The correct answer is C .
• Question 1169: In a family of 21 people, the average age is 14years. If the age of the grandfather is not counted, the average age drops to 12 years. What is the age of the grandfather? Options:
  A) 35 years
  B) 40 years
  C) 42 years
  D) 54 years
  Show Answer
  The correct answer is D .
• Question 1170:

  

  In the figure, the line segment ST is tangent to two circles at S and T. O and Q are the centres of the circles with OS = 5cm. QT = 2cm and OR = 14cm. Find ST

  Options:
  A) 7 $\sqrt{3}$cm
  B) 12.9cm
  C) $\sqrt{87}$cm
  D) 7cm
  Show Answer
  The correct answer is B .