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 1331: If $\frac{1+\sqrt{2}}{1-\sqrt{2}}$ is expressed in the form x + y$\sqrt{2}$. Find the values of x and y Options:
  A) (-3, -2)
  B) (-2, 3)
  C) (3, 2)
  D) (2, -3)
  Show Answer
  The correct answer is A .
• Question 1332:

  

  In the figure, STQ = SRP, PT = TQ = 6cm and QS = 5cm. Find SR

  Options:
  A) $\frac{47}{5}$
  B) 5
  C) $\frac{32}{5}$
  D) $\frac{22}{5}$
  Show Answer
  The correct answer is A .
• Question 1333: PQR is the diagram of a semicircle RSP with centre at Q and radius of length 3.5cm. If QPT = 60^o. Find the perimeter of the figure PTRS. $\pi$ = $\frac{22}{7}$ Options:
  A) 25cm
  B) 18cm
  C) 36cm
  D) 29cm
  E) 25.5cm
  Show Answer
  The correct answer is A .
• Question 1334: In a restaurant, the cost of providing a particular type of food is partly constant and partially inversely proportional to the number of people. If cost per head for 100 people is 30k and the cost for 40 people is 60k, Find the cost for 50 people? Options:
  A) 15k
  B) 20k
  C) 50k
  D) 40k
  E) 45k
  Show Answer
  The correct answer is C .
• Question 1335: Find $\alpha$ and $\beta$ such that x^{$\frac{3}{8}$} x y^{$\frac{-6}{7}$} x ($\frac{y^{\frac{9}{7}}}{x^{\frac{45}{8}}}$)^{$\frac{1}{9}$} = $\frac{y^{\alpha }}{y^{\beta }}$ Options:
  A) $\alpha$ = 1, $\beta$ = $\frac{5}{7}$
  B) $\alpha$= 1, $\beta$ = -$\frac{5}{7}$
  C) $\alpha$= $\frac{3}{5}$, $\beta$ = -6
  D) $\alpha$= 1, $\beta$ = -$\frac{3}{5}$
  Show Answer
  The correct answer is A .
• Question 1336: If S = (x : x² = 9, x > 4), then S is equal to Options:
  A) 4
  B) {0}
  C) $\oplus$
  D) {$\oplus$}
  Show Answer
  The correct answer is C .
• Question 1337:

  Each of the interior angles of a regular polygon is 140°. How many sides has the polygon?

  Options:
  A) 9
  B) 8
  C) 7
  D) 5
  Show Answer
  The correct answer is A .
• Question 1338: What is the circumference of latitude 0^oS if R is the radius of the earth? Options:
  A) R 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 1339:

  Given U = {x is a positive integer less than 15} and P = {x is even number from 1 to 14}. Find the compliment.

  Options:
  A) {1, 3, 5, 7, 9, 11, 13, 15}
  B) {2, 3, 5, 7, 9, 11, 13}
  C) {1, 3, 5, 7, 9, 11, 13}
  D) {2, 3, 5, 7, 11, 15}
  Show Answer
  The correct answer is C .
• Question 1340: If y = x sin x, Find $\frac{d^{2}y}{d^{2}x}$ Options:
  A) 2 cosx - x - x sinx
  B) sinx + x cosx
  C) sinx - x cosx
  D) x sinx - 2 cosx
  Show Answer
  The correct answer is A .