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 2051: W is directly proportional to U. If w = 5 when U = 3, find when W = ²/₇ Options:
  A) ⁶/₃₅
  B) ¹⁰/₂₁
  C) ²¹/₁₀
  D) ³⁵/₆
  Show Answer
  The correct answer is A .
• Question 2052: If y varies directly as $\sqrt{n}$ and y = 4 when n = 4, find y when n = 1$\frac{7}{9}$ Options:
  A) $\sqrt{17}$
  B) $\frac{4}{3}$
  C) $\frac{8}{3}$
  D) $\frac{2}{3}$
  Show Answer
  The correct answer is C .
• Question 2053:

  A bricklayer charges ₦1,500 per day for himself and ₦500 per day for his assistant. If a two bedroom flat was built for ₦95,000 and the bricklayer worked 10 days more than his assistant, how much did the assistant receive?

  Options:
  A) N20,000
  B) N28,000
  C) N31,200
  D) N41,000
  Show Answer
  The correct answer is A .
• Question 2054:

  

  In the diagram, O is the centre of the circle and POQ a diameter. If POR = 96${}^{\circ }$, find the value of ORQ.

  Options:
  A) 84${}^{\circ }$
  B) 48${}^{\circ }$
  C) 45${}^{\circ }$
  D) 42${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 2055:

  Give the number of significant figures of the population of a town which has approximately 5,020,700 people

  Options:
  A) 7 significant figures
  B) 3 significant figures
  C) 4 significant figures
  D) 5 significant figures
  Show Answer
  The correct answer is D .
• Question 2056: Calculate the distance between points L(-1, -6) and M(-3, -5) Options:
  A) √5
  B) 2√3
  C) √20
  D) √50
  Show Answer
  The correct answer is A .
• Question 2057:
  

  Use the graph of sin (θ) above to estimate the value of θ when sin (θ) = -0.6 for $0^o\le \theta \le {360}^o$

  Options:
  A) θ = 223${}^o$, 305${}^o$
  B) θ = 210${}^o$, 330${}^o$
  C) θ = 185${}^o$, 345${}^o$
  D) θ = 218${}^o$, 323${}^o$
  Show Answer
  The correct answer is D .
• Question 2058: A bag Contains 2 red, 3 blue and 4 green identical balls. If two balls are picked at random one after the other without replacement, what is the probability that both are green? Options:
  A) $\frac{1}{6}$
  B) $\frac{1}{3}$
  C) $\frac{16}{18}$
  D) $\frac{3}{8}$
  E) $\frac{4}{9}$
  Show Answer
  The correct answer is A .
• Question 2059:

  Differentiate $\frac{2x}{\sin x}$ with respect to x.

  Options:
  A) $2\cot x\sec x(1+\tan x)$
  B) $2\csc x-x\cot x$
  C) $2x\csc x+\tan x$
  D) $2\csc x(1-x\cot x)$
  Show Answer
  The correct answer is D .
• Question 2060: W is directly proportional to U. If W = 5 when U = 3, find U when W = $\frac{2}{7}$ Options:
  A) $\frac{6}{35}$
  B) $\frac{10}{21}$
  C) $\frac{21}{10}$
  D) $\frac{35}{6}$
  Show Answer
  The correct answer is A .