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 1431: If a{$\frac{x+1}{x-2}-\frac{x-1}{x+2}$} = 6x. Find a in its simplest form Options:
  A) x² - 1
  B) x² + 1
  C) x² + 4
  D) x² - 4
  E) 1
  Show Answer
  The correct answer is D .
• Question 1432: If 2x : ( x + 1) = 3 : 2, what is the value of x? Options:
  A) $\frac{1}{2}$
  B) 1
  C) 1$\frac{1}{2}$
  D) 3
  E) 3$\frac{1}{2}$
  Show Answer
  The correct answer is D .
• Question 1433:

  

  In the figure, PQ is parallel to SQ ; QS bisets < PSQ, < PQS is 65${}^{\circ }$ and < RPS is 20${}^{\circ }$. What is the size of < PRS?

  Options:
  A) 45${}^{\circ }$
  B) 35${}^{\circ }$
  C) 40${}^{\circ }$
  D) 30${}^{\circ }$
  E) 42${}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 1434: At what rate will the interest on ₦400 increases to ₦24 in 3 years reckoning in simple interest? Options:
  A) 3%
  B) 2%
  C) 5%
  D) 4%
  Show Answer
  The correct answer is B .
• Question 1435: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .
• Question 1436: If log₁₀4 = 0.6021, evaluate log₁₀4^1/3 Options:
  A) 0.3011
  B) 0.9021
  C) 1.8063
  D) 0.2007
  Show Answer
  The correct answer is D .
• Question 1437: If log₁₀2 = 0.3010 and log₁₀7 = 0.8451, evaluate log₁₀280 Options:
  A) 3.4471
  B) 2.4471
  C) 1.4471
  D) 1.4071
  Show Answer
  The correct answer is B .
• Question 1438: Assuming log_e 4.4 = 1.4816 and log_e 7.7 = 2.0142, then the value of log_e $\frac{7}{4}$ is Options:
  A) 0.5326
  B) 3.4958
  C) 0.4816
  D) 0.0142
  E) 1.3594
  Show Answer
  The correct answer is A .
• Question 1439: If s = (2 + 3t)(5t - 4), find $\frac{dy}{dx}$ when t = $\frac{4}{5}$ sec Options:
  A) 0 units per sec.
  B) 15 units per seconds
  C) 22 units per seconds
  D) 26 units per seconds
  Show Answer
  The correct answer is C .
• Question 1440: Evaluate 1 − ($\frac{1}{5}$ + 1$\frac{2}{3}$) + (5 + 1$\frac{2}{3}$) Options:
  A) 4
  B) 3
  C) 2$\frac{2}{3}$
  D) 3 $\frac{2}{3}$
  Show Answer
  The correct answer is D .