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 251: If sin $\theta$ = cos $\theta$, find $\theta$ between 0^o and 360^o Options:
  A) 45^o, 225^o
  B) 135^o, 315^o
  C) 45^o, 315^o
  D) 135^o, 225^o
  Show Answer
  The correct answer is C .
• Question 252: If cos(x + 40)^o = 0.0872, what is the value of x? Options:
  A) 85^o
  B) 75^o
  C) 65^o
  D) 45^o
  Show Answer
  The correct answer is D .
• Question 253:

  

  The shaded area represents

  Options:
  A) x $\le$ 0, y $\le$ 0, 2y + 3x $\le$ 6
  B) x $\ge$ 0, y $\ge$ 3, 3x + 2y $\ge$ 6
  C) x $\ge$ 2, y $\ge$ 0, 3x + 2y $\le$ 6
  D) x $\ge$ 0, y $\ge$ 0, 3x + 2y $\ge$ 6
  Show Answer
  The correct answer is A .
• Question 254:

  If P $=\left[\begin{array}{cc}x+3& x+2\\ x+1& x-1\end{array}\right]$ evaluate x if |P| = -10

  Options:
  A) -5
  B) -2
  C) 2
  D) 5
  Show Answer
  The correct answer is D .
• Question 255: If $\frac{1}{p}$ = $\frac{a^2+2ab+b^2}{a-b}$ and $\frac{l}{q}$ = $\frac{a+b}{a^2-2ab+b^2}$ Find $\frac{p}{q}$ Options:
  A) $\frac{a+b}{a-b}$
  B) $\frac{1}{a^2-b^2}$
  C) $\frac{a-b}{a+b}$
  D) a² - b²
  Show Answer
  The correct answer is B .
• Question 256:

  

  Which of the following equations represent the graph above?

  Options:
  A) y = 2+7x+4x²
  B) y = 2-7x+4x²
  C) y = 2+7x-4x²
  D) y = 2-7x-4x²
  Show Answer
  The correct answer is D .
• Question 257:

  Two numbers are respectively 35% and 80% more than a third number. The ratio of the two numbers is

  Options:
  A) 7 : 16
  B) 3 : 4
  C) 16 : 7
  D) 4 : 3
  Show Answer
  The correct answer is B .
• Question 258: Three boys shared some oranges. The first received ¹/₃ of the oranges and the second received ²/₃ of the remaining. If the third boy received the remaining 12 oranges, how many oranges did they share Options:
  A) 60
  B) 54
  C) 48
  D) 42
  Show Answer
  The correct answer is B .
• Question 259: In how many ways can 6coloured chalks be arranged if 2 are same colour? Options:
  A) 60
  B) 120
  C) 240
  D) 360
  Show Answer
  The correct answer is D .
• Question 260: By selling an article for ₦45.00 a man makes a profit of 80%. For how much should he have sold it in order to make a profit of 32%? Options:
  A) ₦180.00
  B) ₦59.00
  C) ₦63.00
  D) ₦58.00
  E) ₦55.00
  Show Answer
  The correct answer is E .