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 321:

  Evaluate log₇17

  Options:
  A) 1.35
  B) 1.353
  C) 1.455
  D) 0.455
  Show Answer
  The correct answer is C .
• Question 322:

  Factorise(4a + 3) ${}^2$ - (3a - 2)${}^2$

  Options:
  A) (a + 1)(a + 5)
  B) (a - 5)(7a - 1)
  C) (a + 5)(7a + 1)
  D) a(7a + 1)
  Show Answer
  The correct answer is C .
• Question 323: If y = x² - $\frac{1}{x}$, find $\frac{\delta y}{\delta x}$ Options:
  A) 2x - $\frac{1}{x^2}$
  B) 2x + x²
  C) 2x - x²
  D) 2x + $\frac{1}{x^2}$
  Show Answer
  The correct answer is D .
• Question 324: Find the value of α² + β² if α + β = 2 and the distance between points (1, α) and (β, 1)is 3 units Options:
  A) 14
  B) 3
  C) 5
  D) 11
  Show Answer
  The correct answer is D .
• Question 325:

  $\begin{array}{ccccc}x& 2& 4& 6& 8\\ f& 4& y& 6& 5\end{array}$

  If the mean of the above frequency distribution is 5.2, find y

  Options:
  A) 2, 1
  B) 1, 2
  C) 1, 5
  D) 5, 2
  Show Answer
  The correct answer is C .
• Question 326: Evaluate correct to 4 decimal places 827.51 x 0.015 Options:
  A) 8.8415
  B) 12.4127
  C) 124.1265
  D) 12.4120
  E) 114.1265
  Show Answer
  The correct answer is B .
• Question 327: If 0.0000152 x 0.042 = A x 10⁸, where 1 $\le$ A < 10, find A and B. Options:
  A) A = 9, B = 6.38
  B) A = 6.38, B = -9
  C) A = -6.38, B = -9
  D) A = -9, B = -6.38
  Show Answer
  The correct answer is B .
• Question 328: 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 329: Find the value of k such that $t^2$ + kt + $\frac{25}{4}$ is a perfect square Options:
  A) 5
  B) 3
  C) $\frac{5}{2}$
  D) $\frac{5}{4}$
  E) $\frac{1}{5}$
  Show Answer
  The correct answer is A .
• Question 330: P is a point on one side of the straight line UV and P moves in the same direction as UV. If the straight line ST is on the locus of P and angle VUS = 60°, find angle UST. Options:
  A) 310°
  B) 130°
  C) 80°
  D) 50°
  Show Answer
  The correct answer is B .