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 771:

  Find p, q for which $\left(\begin{array}{cc}2p& 8\\ 3& -5q\end{array}\right)$$\left(\begin{array}{c}1\\ 2\end{array}\right)$$\left(\begin{array}{c}24\\ -17\end{array}\right)$

  Options:
  A) -1, 4
  B) 4, 5
  C) 4, 2
  D) 2, -4
  Show Answer
  The correct answer is C .
• Question 772:

  Evaluate: 16${}^{0.16}$ × 16${}^{0.04}$ × 2${}^{0.2}$

  Options:
  A) 2
  B) 0
  C) 2${}^0$
  D) $\frac{1}{2}$
  Show Answer
  The correct answer is A .
• Question 773: On a square paper of length 2.524375cm is inscribed square diagram of length 0.524375cm. Find the area of the paper not covered by the diagram. correct to 3 significant figures. Options:
  A) 6.00cm²
  B) 6.10cm²
  C) 6cmv
  D) 6.09cm²
  E) 4.00cm²
  Show Answer
  The correct answer is B .
• Question 774:

  Three children shared a basket of mangoes in such a way that the first child took $\frac{1}{4}$ of the mangoes and the second $\frac{3}{4}$ of the remainder. What fraction of the mangoes did the third child take?

  Options:
  A) $\frac{3}{16}$
  B) $\frac{7}{16}$
  C) $\frac{9}{16}$
  D) $\frac{13}{16}$
  Show Answer
  The correct answer is A .
• Question 775:

  What is the rate of change of the volume Vof a hemisphere with respect to its radius r when r = 2?

  Options:
  A) 8π
  B) 16π
  C) 2π
  D) 4π
  Show Answer
  The correct answer is A .
• Question 776: Find a factor which is common to all three binomial expressions 4a² - 9b², 8a³ + 27b³, (4a + 6b)² Options:
  A) 4a + 6b
  B) 4a - 6b
  C) 2a + 3b
  D) 2a - 3b
  E) none
  Show Answer
  The correct answer is C .
• Question 777: Given m = N$\frac{\sqrt{SL}}{T}$ make T the subject of the formula Options:
  A) $\frac{\text{NSL}}{M}$
  B) $\frac{N^{2}SL}{M^2}$
  C) $\frac{N^{2}SL}{M}$
  D) $\frac{NSL}{M^2}$
  Show Answer
  The correct answer is B .
• Question 778: ($\sqrt{2}+4\sqrt{2}$) ($\sqrt{3}+\sqrt{2}$) ($\sqrt{3}+\sqrt{2}$) is equal to Options:
  A) 1
  B) ($\sqrt{2}+4\sqrt{2}$)
  C) (6$\sqrt{2}$
  D) 8
  Show Answer
  The correct answer is A .
• Question 779: Calculate the perimeter of a sector of a circle of raduis 12cm and angle 60^o. Options:
  A) (12 + 4$\pi$)cm
  B) (24 + 4$\pi$)cm
  C) (12 + 6$\pi$)cm
  D) (24 + 6$\pi$)cm
  Show Answer
  The correct answer is B .
• Question 780: Find the values of x for which the expression $\frac{(x-3)(x-2)}{x^2+x-2}$ Options:
  A) 1, -2
  B) -1, 2
  C) 2, 3
  D) -1. -2
  E) -2, -3
  Show Answer
  The correct answer is A .