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 1091: If x + 2 and x - 1 are factors of the expression 1x³ + 2kx² + 24, find the values of 1 and K Options:
  A) 1 = -6, k = -9
  B) 1 = -2, k = 1
  C) k = -1, 1 = -2
  D) 1 = 0, k = 1
  E) k = 0,1 = 6
  Show Answer
  The correct answer is A .
• Question 1092:

  Factorize 2t² + t - 15

  Options:
  A) (t + 3)(2t - 5)
  B) (2t + 3)(t - 5)
  C) (2t - 3)(t + 5)
  D) (t + 3)(t - 5)
  Show Answer
  The correct answer is A .
• Question 1093: Simplify 2.04 × 3.7 (Leave your answer in 2 decimal place) Options:
  A) 7.51
  B) 7.71
  C) 5.5
  D) 7.55
  Show Answer
  The correct answer is D .
• Question 1094: a cylindrical drum of diameter 56 cm contains 123.2 litres of oil when full. Find the height of the drum in centimeters Options:
  A) 12.5
  B) 25.0
  C) 45.0
  D) 50.00
  Show Answer
  The correct answer is D .
• Question 1095: Find the reciprocal of $\frac{\frac{2}{3}}{\frac{1}{2}+\frac{1}{3}}$ Options:
  A) $\frac{4}{5}$
  B) $\frac{5}{4}$
  C) $\frac{2}{5}$
  D) $\frac{6}{7}$
  Show Answer
  The correct answer is B .
• Question 1096:

  

  In the figure above, TS//XY and XY = TY, <STZ = 34${}^{\circ }$, < TXY = 47${}^{\circ }$. Find the angle marked n.

  Options:
  A) 47${}^{\circ }$
  B) 52${}^{\circ }$
  C) 56${}^{\circ }$
  D) 99${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1097: A basket contains 9 apples, 8 bananas and 7 oranges. A fruit is picked from the basket, find the probability that it is neither an apple nor an orange. Options:
  A) $\frac{3}{8}$
  B) $\frac{1}{3}$
  C) $\frac{7}{24}$
  D) $\frac{2}{3}$
  Show Answer
  The correct answer is B .
• Question 1098: Solve the equation $y^2-11y+24=0$ Options:
  A) 8,3
  B) 4,9
  C) 6,4
  D) 9,-8
  Show Answer
  The correct answer is A .
• Question 1099: Find the inverse of p under the binary operation * defined by p*q = p + q - pq, where p and q are real numbers and zero is the identity Options:
  A) p
  B) p -1
  C) p/(p-1)
  D) p/(p+1)
  Show Answer
  The correct answer is C .
• Question 1100:

  $\begin{array}{cccc}\text{Class Interval}& Frequency& \text{Class boundaries}& \text{Class Mid-point}\\ 1.5-1.9& 2& 1.45-1.95& 1.7\\ 2.0-2.4& 21& 1.95-2.45& 2.2\\ 2.5-2.9& 4& 2.45-2.95& 2.7\\ 3.0-2.9& 15& 2.95-3.45& 3.2\\ 3.5-3.9& 10& 3.45-3.95& 3.7\\ 4.0-4.4& 5& 3.95-4.45& 4.2\\ 4.5-4.9& 3& 4.45-4.95& 4.7\end{array}$

  The median of the distribution above is

  Options:
  A) 4.0
  B) 3.4
  C) 3.2
  D) 3.0
  Show Answer
  The correct answer is B .