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 991: A pentagon has four of its angles equal. If the size of the fifth angle is 60^o, Find the size of each of the four equal angles. Options:
  A) 60^o
  B) 108^o
  C) 120^o
  D) 150^o
  E) None of the above
  Show Answer
  The correct answer is C .
• Question 992: If f (x) = 3x - 2, P = $\left(\begin{array}{cc}2& 1\\ -1& 0\end{array}\right)$ and I is 2 X 2 identity matrix, evaluate f(P) Options:
  A) $\left(\begin{array}{cc}6& 3\\ -3& 0\end{array}\right)$
  B) $\left(\begin{array}{cc}2& 0\\ 0& 2\end{array}\right)$
  C) $\left(\begin{array}{cc}8& 3\\ -3& 2\end{array}\right)$
  D) $\left(\begin{array}{cc}4& 3\\ -3& -2\end{array}\right)$
  Show Answer
  The correct answer is D .
• Question 993:

  

  In the figure above, KL//NM, LN bisects < KNM. If angles KLN is 54${}^{\circ }$ and angle MKN is 35${}^{\circ }$, calculate the size of angle KMN.

  Options:
  A) 91${}^{\circ }$
  B) 89${}^{\circ }$
  C) 37${}^{\circ }$
  D) 19${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 994:

  

  In the diagram, PQRs is a circle with 0 as centre and PQ/RT. If RTS = 32${}^{\circ }$. Find PSQ

  Options:
  A) 32${}^{\circ }$
  B) 45${}^{\circ }$
  C) 58${}^{\circ }$
  D) 90${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 995: An open rectangular box externally measures 4m x 3m x 4m. Find the total cost of painting the box externally if it costs ₦2.00 to paint one square meter Options:
  A) ₦96.00
  B) ₦112.00
  C) ₦136.00
  D) ₦160.00
  Show Answer
  The correct answer is B .
• Question 996:

  The probabilities that John and James pass an examination are $\frac{3}{4}$and $\frac{3}{5}$ respectively. Find the probability of both boys failing the examination.

  Options:
  A) $\frac{1}{10}$
  B) $\frac{2}{10}$
  C) $\frac{9}{20}$
  D) $\frac{11}{20}$
  Show Answer
  The correct answer is D .
• Question 997: Three teachers shared a packet of chalk. The first teacher got 2/5 of the chalk and the second teacher received 2/15 of the remainder. What fraction the the third teacher receive? Options:
  A) 8/15
  B) 11/25
  C) 12/25
  D) 13/25
  Show Answer
  The correct answer is D .
• Question 998:

  If w varies inversely as $\frac{ur}{u+r}$ and is equal to 8 when u = 2 and r = 6, find a relationship between u, v, w.

  Options:
  A) urw = 16(u + v)
  B) 16ur = 3w(u + v)
  C) urw = 12(u + v)
  D) 12urw = u + v
  Show Answer
  The correct answer is C .
• Question 999: Let f(x) = 2x + 4 and g(x) = 6x + 7 here g(x) > 0. Solve the inequality $\frac{f(x)}{g(x)}$ < 1. Options:
  A) x < - $\frac{3}{4}$
  B) x > - $\frac{4}{3}$
  C) x > - $\frac{3}{4}$
  D) x > - 12
  Show Answer
  The correct answer is C .
• Question 1000:

  

  The table above shows the scores of a group of students in a physics test. If the mode is m and the number of students who scored 4 or more is n, what is (n, m)?

  Options:
  A) (33, 4)
  B) (22, 4)
  C) (33, 12)
  D) (12, 4)
  Show Answer
  The correct answer is A .