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 1441:

  If X, Y can take values from the set (1, 2, 3 ,4), find the probability that the product of X and Y is not greater than 6.

  Options:
  A) $\frac{5}{8}$
  B) $\frac{5}{16}$
  C) $\frac{1}{2}$
  D) $\frac{3}{8}$
  Show Answer
  The correct answer is D .
• Question 1442: Find x if log₉x = 1.5 Options:
  A) 72.0
  B) 27.0
  C) 36.0
  D) 3.5
  E) 24.5
  Show Answer
  The correct answer is B .
• Question 1443: In one and a half hours, the minute hand of a clock rotates through an angle of Options:
  A) 90^o
  B) 180^o
  C) 640^o
  D) 450^o
  E) 540^o
  Show Answer
  The correct answer is E .
• Question 1444: If two graphs y = px² + q and y = 2x² -1 intersect at x = 2, find the value of p in terms q. Options:
  A) $\frac{q-8}{7}$
  B) $\frac{7-q}{4}$
  C) $\frac{8-q}{2}$
  D) $\frac{7+q}{8}$
  Show Answer
  The correct answer is B .
• Question 1445:

  Make x the subject of the formula:y = $\frac{3x-9c}{4x+5d}$

  Options:
  A) x = $\frac{(-9c-5dy)}{4y-3}$
  B) x = $\frac{-9c+5dy}{4y-3}$
  C) x = $\frac{(-9c+5dy)}{4y-3}$
  D) x = $\frac{-(9c+5dy)}{4y-3}$
  Show Answer
  The correct answer is D .
• Question 1446:

  

  In the figure, find x in terms of a, b and c.

  Options:
  A) a + b + c
  B) 180${}^{\circ }$ - (a + b + c)
  C) a + b + c
  D) a + b
  E) a + c
  Show Answer
  The correct answer is A .
• Question 1447:

  If $\left[\begin{array}{cc}x& 3\\ 2& 7\end{array}\right]$= 15, find the value of x.

  Options:
  A) 3
  B) 4
  C) 5
  D) 2
  Show Answer
  The correct answer is A .
• Question 1448: Two lines PQ and ST intersect at 75${}^{\circ }$. The locus of points equidistant from PQ and ST lies on the Options:
  A) perpendicular bisector of PQ
  B) perpendicular bisector of ST
  C) bisector of the angles between lines PQ and ST
  D) bisector of the sngels between lines PT and Qs
  Show Answer
  The correct answer is C .
• Question 1449: Simplify 3 log₆9 + log₆12 + log₆64 - log₆72 Options:
  A) 5
  B) 7776
  C) log₆31
  D) (7776)₆
  Show Answer
  The correct answer is A .
• Question 1450: 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 .