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 1191: If three numbers P, Q, R are in ratio 6 : 4 : 5, find the value of $\frac{3p-q}{4q+r}$ Options:
  A) $\frac{3}{2}$
  B) $\frac{2}{3}$
  C) 2
  D) 3
  E) 18
  Show Answer
  The correct answer is B .
• Question 1192: For an arithmetical sequence, the first term is 2 and the common difference is 3. Find the sum of the first 11 terms Options:
  A) 157
  B) 187
  C) 197
  D) 200
  Show Answer
  The correct answer is B .
• Question 1193: $\text{If }\left|\begin{array}{cc}-x& 12\\ -1& 4\end{array}\right|=-12,\text{ find x}$ Options:
  A) -6
  B) -2
  C) 3
  D) 6
  Show Answer
  The correct answer is D .
• Question 1194: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 1195:

  Evaluate $\int x^2\text{Sin}x\mathrm{\Delta }x$

  Options:
  A) −Cos x + 2xSin x + C
  B) −Cos x + 2
  C) x²Cos x + 2xSin x + 2Cos x+ C
  D) −x²Cos x + 2xSinx + 2Cos x + C
  Show Answer
  The correct answer is D .
• Question 1196:

  If the simple interest on a sum of money invested at 3% per annum for 2$\frac{1}{2}$  years is ₦123, find the principal.

  Options:
  A) ₦676.50
  B) ₦820
  C) ₦1,640
  D) ₦4,920
  Show Answer
  The correct answer is C .
• Question 1197: Make x the subject of the equation a(b + c) + $\frac{5}{d}$ - 2 = 0 Options:
  A) c = $\frac{2d-5-b}{ad}$
  B) c = $\frac{2d-5-abd}{ad}$
  C) c = $\frac{2d-5-ab}{ad}$
  D) c = $\frac{5-2d-b}{ad}$
  Show Answer
  The correct answer is B .
• Question 1198:

  If the mean of 2, 5, (x+1), (x+2), 7 and 9 is 6. Find the median

  Options:
  A) 5.5
  B) 5
  C) 6.5
  D) 6
  Show Answer
  The correct answer is C .
• Question 1199:

  

  In the diagram, O is the centre of the circle and POQ a diameter. If POR = 96${}^{\circ }$, find the value of ORQ.

  Options:
  A) 84${}^{\circ }$
  B) 48${}^{\circ }$
  C) 45${}^{\circ }$
  D) 42${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1200:

  Find the area bounded by the curve y = x(2-x). The x-axis, x = 0 and x = 2.

  Options:
  A) 4 sq units
  B) 2 sq units
  C) $\frac{4}{3}$ sq units
  D) $\frac{1}{3}$ sq units
  Show Answer
  The correct answer is C .