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 1021: The arithmetic mean of the ages of 30 pupils in a class is 15.3 years. One boy leaves the class and one girl is enrolled, and the new average age of 30 pupils in the class becomes 15.2 years. How much older is the boy than the girl? Options:
  A) 30 years
  B) 6 years
  C) 9 years
  D) 3 years
  E) 1 year
  Show Answer
  The correct answer is D .
• Question 1022: A variable point p(x, y) traces a graph in a two-dimensional plane. (0, 3) is one position of P. If x increases by 1 unit, y increases by 4 units. The equation of the graph is Options:
  A) -3 = $\frac{y+4}{x+1}$
  B) 4y = -3 + x
  C) $\frac{y}{x}$ = $\frac{-3}{4}$
  D) 4x = y + 3
  Show Answer
  The correct answer is D .
• Question 1023:

  Determine the mean monthly salary of 50 employees of a company from the following frequency distribution.

  $\begin{array}{cc}\text{Monthly salary}& \text{Frequency}\\ N200.00& 10\\ N325.00& 5\\ N100.00& 20\\ N120.00& 2\\ N60.00& 10\\ N80.00& 3\end{array}$

  Options:
  A) ₦215.30
  B) ₦134.10
  C) ₦143.10
  D) ₦80.00
  E) ₦50.30
  Show Answer
  The correct answer is B .
• Question 1024: When the expression pm² + qm + 1 is divided by (m - 1), it has a remainder is 4, Find p and q respectively Options:
  A) 2, -1
  B) -1, 2
  C) 3, -2
  D) -2, 3
  Show Answer
  The correct answer is B .
• Question 1025: A man earns ₦3,500 per month out of which he spends 15% on his children's education. If he spends additional ₦1,950 on food, how much does he have left? Options:
  A) ₦525
  B) ₦1,025
  C) ₦1,950
  D) ₦2,975
  Show Answer
  The correct answer is B .
• Question 1026: Divide the L.C.M of 48, 64, and 80 by their H.C.F Options:
  A) 20
  B) 30
  C) 48
  D) 60
  Show Answer
  The correct answer is D .
• Question 1027: A particle p moves between points S and T such that angle SPT is always constant. Find the locus of P. Options:
  A) it is a straight line perpendicular to ST.
  B) it is a quadrant of a circle with ST as diameter
  C) it is a perpendicular bisector of ST
  D) it is a semi-circle with ST as diameter
  Show Answer
  The correct answer is D .
• Question 1028:

  What is the product of $\frac{27}{5}$, $(3{)}^{-3}$ and ($\frac{1}{5}{)}^{-1}$?

  Options:
  A) 5
  B) 3
  C) 1
  D) $\frac{1}{25}$
  Show Answer
  The correct answer is C .
• Question 1029:
  

  Find the volume of the cylinder above
  [Take $\pi {=}^{22}{/}_7$]

  Options:
  A) 9,856 cm${}^3$
  B) 14,784 cm${}^3$
  C) 4,928 cm${}^3$
  D) 19,712 cm${}^3$
  Show Answer
  The correct answer is B .
• Question 1030:

  $\begin{array}{cccccc}\text{Values}& 0& 1& 2& 3& 4\\ \text{Frequency}& 1& 2& 2& 1& 9\end{array}$

  Find the mode of the distribution above

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is D .