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 2401: An open rectangular box externally measures 4m x 3m x 4m. Find the total cost of painting the box externally if it costs ₦2.00 to paint one square meter Options:
  A) ₦96.00
  B) ₦112.00
  C) ₦136.00
  D) ₦160.00
  Show Answer
  The correct answer is B .
• Question 2402: 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 2403: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number Options:
  A) 2
  B) 3
  C) 4
  D) 5
  E) 6
  Show Answer
  The correct answer is B .
• Question 2404: x varies directly as the product of u and v and inversely as their sum. If x = 3 when u = 3 and v = 1, what is the value of x if u = 3 and v = 3? Options:
  A) 3
  B) 4
  C) 6
  D) 9
  Show Answer
  The correct answer is C .
• Question 2405: Given log 2 = 0.69, log3 = 1, 10 and log7 = 1.90, all to a fixed base, find log 10.5 to the same base without using tables. Options:
  A) 1.03
  B) 2.31
  C) 3.69
  D) 10.5
  E) 25
  Show Answer
  The correct answer is B .
• Question 2406: The value of x + x ( x^x) when x = 2 is Options:
  A) 16
  B) 10
  C) 18
  D) 24
  Show Answer
  The correct answer is B .
• Question 2407: The diagonals of a rhombus are 6cm and 8cm. Find the area of the rhombus. Options:
  A) 96cm²
  B) 48cm²
  C) 24cm²
  D) 0.14cm²
  E) 12cm2
  Show Answer
  The correct answer is C .
• Question 2408: PQR is a triangle in which PQ = 10cm and QPR = 60^oS is a point equidistant from P and Q. Also S is a point equidistant from PQ and PR. If U is the foot of the perpendicular from S on PR, find the length SU in cm to one decimal place Options:
  A) 2.7
  B) 4.33
  C) 3.1
  D) 3.3
  Show Answer
  The correct answer is B .
• Question 2409: Rationalize $\frac{2-\sqrt{5}}{3-\sqrt{5}}$ Options:
  A) $\frac{1-\sqrt{5}}{2}$
  B) $\frac{1-\sqrt{5}}{4}$
  C) $\frac{\sqrt{5}-1}{2}$
  D) $\frac{1+\sqrt{5}}{4}$
  Show Answer
  The correct answer is B .
• Question 2410:

  Give the number of significant figures of the population of a town which has approximately 5,020,700 people

  Options:
  A) 7 significant figures
  B) 3 significant figures
  C) 4 significant figures
  D) 5 significant figures
  Show Answer
  The correct answer is D .