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 1631: The slope of the tangent to the curve $y=2x^2-2x+5$ at the point $(1,6)$ is Options:
  A) 4
  B) 1
  C) 6
  D) 5
  E) 3
  Show Answer
  The correct answer is C .
• Question 1632: Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2950, find y. Options:
  A) 51
  B) 48
  C) 30
  D) 25
  E) 18
  Show Answer
  The correct answer is C .
• Question 1633:

  Find the value of x for which the function 3x³ - 9x² is minimum

  Options:
  A) zero
  B) 2
  C) 3
  D) 5
  Show Answer
  The correct answer is B .
• Question 1634:

  

  The diagram above is the graph of the function f(x). Determined the range of values of x for which f(x) $\le$ 0

  Options:
  A) x $\le$ 2
  B) 0 $\le$ x $\le$ 2
  C) -2 $\le$ x $\le$ 0, x $\ge$ 2
  D) x $\le$ -2, 0 $\le$ x $\le$ 2
  Show Answer
  The correct answer is C .
• Question 1635:

  $\begin{array}{cccccccc}\text{No. of children}& 0& 1& 2& 3& 4& 5& 6\\ \text{No. of families}& 7& 11& 6& 7& 7& 5& 3\end{array}$

  Find the mode and median respectively of the distribution above

  Options:
  A) 2, 1
  B) 1, 2
  C) 1, 5
  D) 5, 2
  Show Answer
  The correct answer is B .
• Question 1636: The distance travelled by a particle from a fixed point is given as s = (t³ - t² - t + 5)cm. Find the minimum distance that the particle can cover from the fixed point. Options:
  A) 2.3 cm
  B) 4.0 cm
  C) 5.2 cm
  D) 6.0 cm
  Show Answer
  The correct answer is C .
• Question 1637: Find the angle subtended at the center of a circle by a chord which is equal in length to the radius of the circle. Options:
  A) 30${}^{\circ }$
  B) 45${}^{\circ }$
  C) 60${}^{\circ }$
  D) 90${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 1638: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 1639: If log₃18 + log₃3 - log₃x = 3, Find x. Options:
  A) 1
  B) 2
  C) o
  D) 3
  Show Answer
  The correct answer is B .
• Question 1640: What is the number whose logarithm to base 10 is 2.3482? Options:
  A) 223
  B) 2228
  C) 2.235
  D) 22.37
  E) 0.2229
  Show Answer
  The correct answer is E .