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 781:

  

  In the figure, the chords XY and ZW are produced to meet at T such that YT = WT, ZYW = 40${}^{\circ }$ and YTW = 30${}^{\circ }$. What is YXW?

  Options:
  A) 50${}^{\circ }$
  B) 75${}^{\circ }$
  C) 35${}^{\circ }$
  D) 115${}^{\circ }$
  E) 30${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 782: The sum of the progression is 1 + x + x² + x³ + ...... Options:
  A) $\frac{1}{1-x}$
  B) $\frac{1}{1+x}$
  C) $\frac{1}{x-1}$
  D) $\frac{1}{x}$
  Show Answer
  The correct answer is A .
• Question 783: Simplify $\frac{x^2-1}{x^3+2x^2-x-2}$ Options:
  A) $\frac{1}{x+2}$
  B) $\frac{x-1}{x+1}$
  C) $\frac{x-1}{x+2}$
  D) $\frac{1}{x-2}$
  Show Answer
  The correct answer is A .
• Question 784:

  X is due east point of y on a coast. Z is another point on the coast but 6.0km due south of Y. If the distance ZX is 12km, calculate the bearing of Z from X

  Options:
  A) 240°
  B) 150°
  C) 60°
  D) 270°
  Show Answer
  The correct answer is A .
• Question 785: 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 786: A father is now three times as old as his son. Twelve years ago he was six times as old as his son. How old are the son and the father? Options:
  A) 20 and 45
  B) 100 and 150
  C) 45 and 65
  D) 35 and 75
  E) 20 and 60
  Show Answer
  The correct answer is E .
• Question 787: Integrate $\frac{x^2-\sqrt{x}}{x}$ with respect to x Options:
  A) $\frac{x^2-\sqrt{x}}{x^2}$ + k
  B) $\frac{x^2}{2}$ - $\sqrt{x}$ + k
  C) $\frac{2(x^2-x)}{3x}$ + k
  D) $\frac{x^2}{2}$ - 2$\sqrt{x}$ + k
  Show Answer
  The correct answer is D .
• Question 788: Solve the equation for the positive values of $\theta$ less than 360^o. 3 tan $\theta$ + 2 = -1 Options:
  A) 135^o or 315^o
  B) 45^o or 135^o
  C) 315^o or 180^o
  D) 315v + 45^o
  E) 360^o or 315^o
  Show Answer
  The correct answer is A .
• Question 789: The sum of the interior angles of a polygon is 20 right angles. How many sides does the polygon have? Options:
  A) 12
  B) 20
  C) 40
  D) 10
  Show Answer
  The correct answer is A .
• Question 790: If | 2 3 | = | 4 1 |. find the value of y. 7 Options:
  A) -6
  B) 6
  C) -12
  D) 12
  Show Answer
  The correct answer is A .