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 1301: Evaluate $\frac{8^{\frac{1}{3}}\times 5^{\frac{2}{3}}}{{10}^{\frac{2}{3}}}$ = $\frac{8^{\frac{1}{3}}\times 5^{\frac{2}{3}}}{{10}^{\frac{2}{3}}}$ Options:
  A) $\frac{2}{5}$
  B) $\frac{5}{3}$
  C) 3$\sqrt{5}$
  D) 3$\sqrt{2}$
  Show Answer
  The correct answer is D .
• Question 1302: An open rectangular box is made of wood 2cm thick. If the internal dimensions of the box are 50cm long, 36cm wide and 20cm deep, the box volume of wood in the box is Options:
  A) 11 520cm³
  B) 36 000cm³
  C) 38 200cm³
  D) 47 520cm³
  Show Answer
  The correct answer is A .
• Question 1303: If a : b = 5 : 8, x : y = 25 : 16; evaluate $\frac{a}{x}$ : $\frac{b}{y}$ Options:
  A) 125 : 128
  B) 3 : 5
  C) 3 : 4
  D) 2 : 5
  Show Answer
  The correct answer is D .
• Question 1304: What is the least possible value of $\frac{9}{1+2x^2}$ if 0 $\ge$ x $\ge$ 2? Options:
  A) 9
  B) 5
  C) 1
  D) 2
  Show Answer
  The correct answer is C .
• Question 1305: The annul profits of a transport business were divided between the partners A and B in the ratio 3 : 5. If B received ₦3000 more than A, the total profit was Options:
  A) ₦5000
  B) ₦1800
  C) ₦12000
  D) ₦24000
  E) ₦8000
  Show Answer
  The correct answer is C .
• Question 1306: A student spent $\frac{1}{5}$ of his allowances on books, $\frac{1}{3}$ of the remainder on food and kept the rest for contingences. What fraction was kept? Options:
  A) $\frac{7}{16}$
  B) $\frac{8}{15}$
  C) $\frac{2}{3}$
  D) $\frac{4}{5}$
  Show Answer
  The correct answer is B .
• Question 1307: If p = $\left(\begin{array}{cc}x+3& x+2\\ x+1& x-1\end{array}\right)$ evaluate x if |p| = -10 Options:
  A) -5
  B) -2
  C) 2
  D) 5
  Show Answer
  The correct answer is D .
• Question 1308: The variance of the scores 1, 2, 3, 4, 5 is Options:
  A) 1, 2
  B) 1, 4
  C) 2.0
  D) 3.0
  Show Answer
  The correct answer is C .
• Question 1309: If 9^{(x - $\frac{1}{2}$)} 3x² Options:
  A) $\frac{1}{2}$
  B) 1
  C) 2
  D) 3
  Show Answer
  The correct answer is B .
• Question 1310: The radius of a circle is increasing at the rate of 0.02cms^-1. Find the rate at which the area is increasing when the radius of the circle is 7cm. Options:
  A) 0.75cm²S^-1
  B) 0.53cm²S^-1
  C) 0.35cm²S^-1
  D) 0.88cm²S^-1
  Show Answer
  The correct answer is D .