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 1571: Find the minimum value of the function y = x(1+x) Options:
  A) -¹/₄
  B) -¹/₂
  C) ¹/₄
  D) ¹/₂
  Show Answer
  The correct answer is A .
• Question 1572: Evaluate $\frac{0.36\times 5.4\times 0.63}{4.2\times 9.0\times 2.4}$ Options:
  A) 0.013
  B) 0.014
  C) 0.14
  D) 0.13
  Show Answer
  The correct answer is A .
• Question 1573:

  

  If PN is perpendicular to QR, find the value of tan x.

  Options:
  A) $\frac{5}{9}$
  B) $\frac{3}{5}$
  C) $\frac{3}{4}$
  D) $\frac{4}{3}$
  E) $\frac{5}{3}$
  Show Answer
  The correct answer is B .
• Question 1574: In how many ways can a student select 2 subjects from 5 subjects? Options:
  A) $\frac{5!}{3!}$
  B) $\frac{5!}{2!2!}$
  C) $\frac{5!}{2!3!}$
  D) $\frac{5!}{2!}$
  Show Answer
  The correct answer is C .
• Question 1575: One bag contain 3 blue and 5 red balls, another bag contain 2 blue and 4 red balls respectively. One ball is drawn for each bag. What is the probability both balls are blue Options:
  A) $\frac{2}{15}$
  B) $\frac{3}{24}$
  C) $\frac{3}{21}$
  D) $\frac{3}{28}$
  Show Answer
  The correct answer is D .
• Question 1576:

  

  In the diagram above, PQR is a straight line and PS is a tangent to the circle QRS with /PS/ = /SR/ and ∠SPR = 40${}^{\circ }$. Find ∠PSQ

  Options:
  A) 40${}^{\circ }$
  B) 30${}^{\circ }$
  C) 20${}^{\circ }$
  D) 10${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 1577: Find P if $\frac{x-3}{(1-x)(x+2)}$ = $\frac{p}{1-x}$ + $\frac{Q}{x+2}$ Options:
  A) $\frac{-2}{3}$
  B) $\frac{-5}{3}$
  C) $\frac{5}{3}$
  D) $\frac{2}{3}$
  Show Answer
  The correct answer is A .
• Question 1578: If y = x sinx, find $\frac{dy}{dx}$ Options:
  A) sin x - x cosx
  B) sinx + x cosx
  C) sinx - cosx
  D) sinx + cosx
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  The correct answer is B .
• Question 1579: What is log₇(49^a) - log₁₀(0.01)? Options:
  A) $\frac{{49}^a}{100}$
  B) $\frac{a}{2}$ + 2
  C) 7^2a + 2
  D) 2a + 2
  E) $\frac{2a}{2}$
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  The correct answer is D .
• Question 1580: The seconds term of a geometric series is 4 while the fourth term is 16. Find the sum of the first five terms Options:
  A) 60
  B) 62
  C) 54
  D) 64
  Show Answer
  The correct answer is B .