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 1411: 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 .
• Question 1412:

  if y = 23${}_{five}$ + 101${}_{three}$ find y leaving your answer in base two

  Options:
  A) 1110
  B) 10111
  C) 11101
  D) 111100
  Show Answer
  The correct answer is B .
• Question 1413: The distance travelled by a particle from a fixed point is given as s = (t³ - t² - t + 5)cm. Find the minimum distance that the particle can cover from the fixed point. Options:
  A) 2.3 cm
  B) 4.0cm
  C) 5.2
  D) g
  Show Answer
  The correct answer is B .
• Question 1414: The binary operation on the set of real numbers is defined by m*n = $\frac{mn}{2}$ for all m, n $\in$ R. If the identity element is 2, find the inverse of -5 Options:
  A) $-\frac{4}{5}$
  B) $-\frac{2}{5}$
  C) 4
  D) 5
  Show Answer
  The correct answer is A .
• Question 1415: If y = x² - (1/x). find dy/dx Options:
  A) 2x - (1/x²)
  B) 2x + x²
  C) 2x - x²
  D) 2x + (1/x²)
  Show Answer
  The correct answer is D .
• Question 1416: The factors of 9 - (x² - 3x - 1)² are Options:
  A) -(x - 4)(x + 1) (x - 1)(x - 2)
  B) (x - 4)(x - 2) (x - 1)(x + 1)
  C) -(x - 2)(x + 1) (x - 2) (x - 1)
  D) (x - 2)(x + 2) (x - 1)(x + 1)
  Show Answer
  The correct answer is A .
• Question 1417: Simplify $\frac{(\surd 12-\surd 3)}{(\surd 12+\surd 3)}$ Options:
  A) zero
  B) 1/3
  C) 3/5
  D) 1
  Show Answer
  The correct answer is B .
• Question 1418:

  What is the circumferenceof latitude 0${}^o$S if R is the radius of the earth?

  Options:
  A) 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 .
• Question 1419: Calculate 3310₅ - 1442₅ Options:
  A) 1313₅
  B) 2131₅
  C) 4302₅
  D) 1103₅
  Show Answer
  The correct answer is A .
• Question 1420: Find the inverse $\left|\begin{array}{cc}5& 3\\ 6& 4\end{array}\right|$ Options:
  A) $\left|\begin{array}{cc}2& -\frac{3}{2}\\ -3& -\frac{5}{2}\end{array}\right|$
  B) $\left|\begin{array}{cc}2& -\frac{3}{2}\\ -3& \frac{5}{2}\end{array}\right|$
  C) $\left|\begin{array}{cc}2& \frac{3}{2}\\ -3& \frac{5}{2}\end{array}\right|$
  D) $\left|\begin{array}{cc}2& \frac{3}{2}\\ -3& \frac{5}{2}\end{array}\right|$
  Show Answer
  The correct answer is B .