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 491: Make R the subject of the formula if T = $\frac{K{R}^2+M}{3}$ Options:
  A) $\sqrt{\frac{3T-K}{M}}$
  B) $\sqrt{\frac{3T-M}{K}}$
  C) $\sqrt{\frac{3T+K}{M}}$
  D) $\sqrt{\frac{3T-K}{M}}$
  Show Answer
  The correct answer is B .
• Question 492: Find the sum of the range and the mode of the set of numbers 10, 9, 10, 9, 8, 7, 7, 10, 8, 10, 8, 4, 6, 9, 10, 9, 10, 9, 7, 10, 6, 5 Options:
  A) 16
  B) 14
  C) 12
  D) 10
  Show Answer
  The correct answer is A .
• Question 493: Simplify ($\frac{3}{4}$ of $\frac{4}{9}$ $÷$ 9$\frac{1}{2}$) $÷$ 1$\frac{5}{19}$ Options:
  A) $\frac{1}{5}$
  B) $\frac{1}{4}$
  C) $\frac{1}{36}$
  D) $\frac{1}{25}$
  Show Answer
  The correct answer is C .
• Question 494: In how many ways can the word MATHEMATICS be arranged? Options:
  A) 11!/(9! 2!)
  B) 11!/(9! 2! 2!)
  C) 11!/(2! 2! 2!)
  D) 11!/(2! 2!)
  Show Answer
  The correct answer is C .
• Question 495: The ages of Tosan and Isa differ by 6 and the product of their ages is 187. Write their ages in the form (x, y), where x > y. Options:
  A) (12, 6)
  B) (23, 17)
  C) (17, 11)
  D) (18, 12)
  Show Answer
  The correct answer is C .
• Question 496:

  Solve for x in $\frac{4x-6}{3}\le \frac{3+2x}{2}$

  Options:
  A) $x\le 1\frac{1}{2}$
  B) $x\le \frac{21}{2}$
  C) $x\ge \frac{21}{2}$
  D) $x\ge 1\frac{1}{2}$
  Show Answer
  The correct answer is B .
• Question 497: Simplify $\frac{3}{5}÷(\frac{2}{7}\times \frac{4}{3}÷\frac{4}{9})$ Options:
  A) $\frac{4}{5}$
  B) $\frac{7}{10}$
  C) $\frac{6}{6}$
  D) $\frac{21}{6}$
  Show Answer
  The correct answer is B .
• Question 498:

  

  In the diagram, angle QPR = 90${}^{\circ }$, angle PSR = 90${}^{\circ }$ and PR = 5 units. Find the length of QS.

  Options:
  A) 5 tan 25${}^{\circ }$ sin 65${}^{\circ }$
  B) 5 cos 25${}^{\circ }$ sin 65${}^{\circ }$
  C) 5 tan 25${}^{\circ }$ cos 65${}^{\circ }$
  D) cos 25${}^{\circ }$ cos 65${}^{\circ }$
  E) 5 cosec 25${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 499: 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 500: What is the circumference of latitude 0^oS if R is the radius of the earth? Options:
  A) R cos$\theta$
  B) 2$\pi$ R cos $\theta$
  C) R sin $\theta$
  D) 2$\pi$ R sin $\theta$
  Show Answer
  The correct answer is B .