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 1161: If p varies inversely as the cube of q and q varies directly as the square of r, what is the relationship between P and r? Options:
  A) p varies directly as r³
  B) p varies directly as r⁶
  C) p varies as 6$\sqrt{r}$
  D) p varies inversely as r⁶
  Show Answer
  The correct answer is D .
• Question 1162: Solve the inequality 2 - x > x².
  Options:
  A) x < -2 or x > 1
  B) x > 2 or x< -1
  C) -1 < x < 2
  D) -2 < x < 1
  Show Answer
  The correct answer is D .
• Question 1163: The size of a quantity first doubles and then increases by a further 16%. After a short time its size decreases by 16%. What is the net increases in size of the quantity? Options:
  A) $\frac{59300}{625}$
  B) $\frac{50900}{625}$
  C) 200%
  D) +100%
  Show Answer
  The correct answer is C .
• Question 1164: The variance of x, 2x, 3x, 4x and 5x is Options:
  A) x√2
  B) 2x²
  C) x²
  D) 3x
  Show Answer
  The correct answer is B .
• Question 1165: If M(4, q) is the mid-point of the line joining L(p, -2) and N(q, p). Find the values of p and q Options:
  A) P = 2, q = 4
  B) p = 3, q = 1
  C) p = 5, q = 3
  D) p = 6, q = 2
  Show Answer
  The correct answer is D .
• Question 1166: Find the non-zero positive value of x which satisfies the equation $\left|\begin{array}{ccc}x& 1& 0\\ 1& x& x\\ 0& 1& x\end{array}\right|$ = 0 Options:
  A) 2
  B) 4
  C) √3
  D) √2
  E) 1
  Show Answer
  The correct answer is A .
• Question 1167:

  A boat sails 8 km north from P to Q and then sails 6 km west from Q to R. Calculate the bearing of R from P. Give your answer to the nearest degree.

  Options:
  A) 217${}^o$
  B) 323${}^o$
  C) 037${}^o$
  D) 053${}^o$
  Show Answer
  The correct answer is B .
• Question 1168:

  

  From the figure, calculate TH in centimeters

  Options:
  A) $\frac{5}{\sqrt{3}+1}$
  B) $\frac{5}{\sqrt{3}-1}$
  C) $\frac{5}{\sqrt{3}}$
  D) $\frac{\sqrt{3}}{5}$
  Show Answer
  The correct answer is B .
• Question 1169:
  

  Determine the mean score of the student that took the mathematics test?

  Options:
  A) 4.5
  B) 4.3
  C) 4.2
  D) 4.6
  Show Answer
  The correct answer is C .
• Question 1170:

  

  Three straight lines EF, GH and LK interest at O as shown above. If ∠KOF = 52${}^{\circ }$ and ∠LOH = 85${}^{\circ }$, calculate the size of ∠EOG.

  Options:
  A) 26${}^{\circ }$
  B) 43${}^{\circ }$
  C) 52${}^{\circ }$
  D) 85${}^{\circ }$
  Show Answer
  The correct answer is B .