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 691: Given that 10^x = 0.2 and log₁₀2 = 0.3010, find x Options:
  A) -1.3010
  B) -0.6990
  C) 0.6990
  D) 1.3010
  E) 0.02
  Show Answer
  The correct answer is B .
• Question 692: Simplify $\frac{5+\sqrt{7}}{3+\sqrt{7}}$ Options:
  A) 17 - $\sqrt{7}$
  B) 4 - $\sqrt{7}$
  C) 15 - $\sqrt{7}$
  D) 7 - $\sqrt{7}$
  Show Answer
  The correct answer is B .
• Question 693: If X $\ast$ Y = X + Y - XY, find x when (x $\ast$ 2) + (x $\ast$ 3) = 68 Options:
  A) 24
  B) 22
  C) -12
  D) -21
  Show Answer
  The correct answer is D .
• Question 694: 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 695:

  If two graphs y = px² + q and y = 2x² − 1 intersect at x =2, find the value of p in terms of q

  Options:
  A) q − $\frac{8}{7}$
  B) 7 − $\frac{q}{4}$
  C) 8 − $\frac{q}{2}$
  D) 7 + $\frac{q}{8}$
  Show Answer
  The correct answer is B .
• Question 696: The nth term of a sequence is given 3^{1 - n} , find the sum of the first terms of the sequence. Options:
  A) $\frac{13}{9}$
  B) 1
  C) $\frac{1}{3}$
  D) $\frac{1}{9}$
  Show Answer
  The correct answer is A .
• Question 697:

  

  The pie chart above shows the monthly distribution of a man's salary on food items. If he spent ₦8,000 on rice, how much did he spent on yam?

  Options:
  A) ₦42,000
  B) ₦18,000
  C) ₦16,000
  D) ₦12,000
  Show Answer
  The correct answer is C .
• Question 698: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 699: 3% of a family's income is spent on electricity, 58% on food, 20% on transport, 11% on education and 7% on extended family. The angles subtended at the centre of the pie chart under education and food are respectively Options:
  A) 76.8^o and 25.2^o
  B) 10.8^o and 224.6^o
  C) 112.4^o and 72.0^o
  D) 39.6^o and 212.4^o
  Show Answer
  The correct answer is D .
• Question 700: Find the coordinates of the mid-point of x and y intercepts of the line 2y = 4x - 8 Options:
  A) (2, 0)
  B) (1, -2)
  C) (-1, -2)
  D) (1, 2)
  Show Answer
  The correct answer is B .