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 161:

  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 162:

  i. S∩T∩W = S
  ii. S∪T∪W = W
  ii. T∩W = S

  If S$\subset$T$\subset$W. Which of the above statements are true?

  Options:
  A) i and ii
  B) i and iii
  C) ii and iii
  D) i, ii and iii
  Show Answer
  The correct answer is B .
• Question 163: Simplify $\frac{x-y}{x^{\frac{1}{3}}-x^{\frac{1}{3}}}$ Options:
  A) x² + xy + y²
  B) x^{$\frac{2}{3}$} + x ^{$\frac{1}{3}$} + y^{$\frac{2}{3}$}
  C) x^{$\frac{2}{3}$} - x^{$\frac{1}{3}$}y^{$\frac{2}{3}$}
  D) y^{$\frac{2}{3}$}
  Show Answer
  The correct answer is B .
• Question 164: A ship H leaves a port P and sails 30 km due south. Then it sails 50km due west. What is the bearing of H from P Options:
  A) 20^o 34'
  B) 243^o 26'
  C) 116^o 34'
  D) 63^o 26'
  E) 240^o 56'
  Show Answer
  The correct answer is B .
• Question 165: express 62 $÷$ 3 as a decimal correct to 3 significant figures Options:
  A) 20.6
  B) 20.667
  C) 20.67
  D) 20.7
  Show Answer
  The correct answer is D .
• Question 166: Find the range of values of x which satisfy the inequality $\frac{x}{2}$ + $\frac{x}{3}$ + $\frac{x}{4}$ < 1 Options:
  A) x < $\frac{12}{13}$
  B) x < 13
  C) x < 9
  D) $\frac{13}{12}$
  Show Answer
  The correct answer is A .
• Question 167: Solve the equation $3x^2-4x-5=0$ Options:
  A) x = 1.75 or − 0.15
  B) x = 2.12 or − 0.79
  C) x = 1.5 or − 0.34
  D) x = 2.35 or −1.23
  Show Answer
  The correct answer is B .
• Question 168: If 2q3₅ = 77₈, find q Options:
  A) 2
  B) 1
  C) 4
  D) O
  Show Answer
  The correct answer is A .
• Question 169: Find the maximum value of y in the equation y = 1 - 2x - 3x² Options:
  A) 5/4
  B) 5/3
  C) 3/4
  D) 4/3
  Show Answer
  The correct answer is D .
• Question 170:

  $\begin{array}{cccccc}\text{Class Interval}& 1-5& 6-10& 11-15& 16-20& 21-25\\ Frequency& 6& 15& 20& 7& 2\end{array}$

  Estimate the median of the frequency distribution above

  Options:
  A) 10$\frac{1}{2}$
  B) 11$\frac{1}{2}$
  C) 12
  D) 13
  Show Answer
  The correct answer is C .