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 1481:

  

  The cumulative frequency curve represents the ages of ages of students in a school. What age group do 70% of the students belongs?

  Options:
  A) 17.5 - 20.5
  B) 16.5 - 19.5
  C) 15.5 - 19.5
  D) 15.5 - 18.5
  Show Answer
  The correct answer is A .
• Question 1482: Divide 4x³-3x+1 by 2x-1 Options:
  A) 2x²-x+1
  B) 2x²-x-1
  C) 2x²+x+1
  D) 2x²+x-1
  Show Answer
  The correct answer is B .
• Question 1483:

  Evaluate $lo{g}_{\sqrt{2}}4+lo{g}_{\frac{1}{2}}16-lo{g}_{4}32$

  Options:
  A) -5.5
  B) -2.5
  C) 2.5
  D) 5.5
  Show Answer
  The correct answer is B .
• Question 1484: The prime factors of 2520 are Options:
  A) 2, 9, 5
  B) 2, 9, 7
  C) 2, 3, 5, 7
  D) 2, 3, 7, 9
  Show Answer
  The correct answer is C .
• Question 1485: If a rod 10cm in length was measured as 10.5cm, calculate the percentage error Options:
  A) 5%
  B) 10%
  C) 8%
  D) 7%
  Show Answer
  The correct answer is A .
• Question 1486: If $\frac{(a^2{b}^{-3}c{)}^{\frac{3}{4}}}{a^{-1}{b}^4{c}^5}=a^p{b}^q{c}^r$ What is the value of p+2q? Options:
  A) (5/2)
  B) -(5/4)
  C) -(25/4)
  D) -10
  Show Answer
  The correct answer is D .
• Question 1487: Find the sum of the first twenty terms of the progression log a, log a², log a³..... Options:
  A) log a²⁰
  B) log a²¹
  C) log a²⁰⁰
  D) log a²¹⁰
  Show Answer
  The correct answer is D .
• Question 1488: Make Q the subject of formula when $L=\frac{4}{3}M\sqrt{PQ}$ Options:
  A) $\frac{9L^2}{16M^2}P$
  B) $\frac{3L}{4M\sqrt{P}}$
  C) $\frac{\sqrt{3L}}{4MP}$
  D) $\frac{3L^2}{16M^2}P$
  Show Answer
  The correct answer is A .
• Question 1489:

  Determine the values for which $x^2-7x+10\le 0$

  Options:
  A) 2 $\le$ x $\ge$ 5
  B) -2 $\le$ x $\le$ 3
  C) -2 $\le$ x $\ge$ 3
  D) 2 $\le$ x $\le$ 5
  Show Answer
  The correct answer is D .
• Question 1490:

  

  In the diagram above ∠OPQ is

  Options:
  A) 90${}^{\circ }$
  B) 53${}^{\circ }$
  C) 36${}^{\circ }$
  D) 26${}^{\circ }$
  Show Answer
  The correct answer is B .