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 1751: If M represents the median and D the mode of the measurements 5, 9, 3, 5, 8 then (M, D) is Options:
  A) (6, 5)
  B) (5, 8)
  C) (5, 7)
  D) (5, 5)
  E) (7, 5)
  Show Answer
  The correct answer is D .
• Question 1752: In $△$PQR, PQ = 10cm, QR = 8cm and RP = 6cm, the perpendicular RS is drawn from R to PQ. Find the length of RS Options:
  A) 4cm
  B) 32cm
  C) $\frac{30}{7}$
  D) $\frac{40}{7}$
  E) 4.8cm
  Show Answer
  The correct answer is E .
• Question 1753: 22$\frac{1}{2}$% of the Nigerian Naira is equal to 17$\frac{1}{10}$% of a foreign currency M. What is the conversion rate of the M to the Naira? Options:
  A) 1M = 1$\frac{15}{57}$N
  B) 1M = 38$\frac{1}{4}$N
  C) 1M = 1$\frac{18}{57}$N
  D) 1M = 384$\frac{3}{4}$N
  Show Answer
  The correct answer is C .
• Question 1754:

  Without using tables, evaluate (343)^1/3 x (

  0.14)^-1 x (25)^-1/2

  Options:
  A) 10
  B) 12
  C) 8
  D) 7
  Show Answer
  The correct answer is A .
• Question 1755:

  If $4{\sin }^{2}x-3=0$, find the value of x, when 0° $\le$ x $\le$ 90°

  Options:
  A) 90°
  B) 45°
  C) 60°
  D) 30°
  Show Answer
  The correct answer is C .
• Question 1756: Given the scores: 4, 7, 8, 11, 13, 8 with corresponding frequencies: 3, 5, 2, 7, 2, 1 respectively. The mean score is Options:
  A) 7.0
  B) 8.7
  C) 9.5
  D) 11.0
  Show Answer
  The correct answer is B .
• Question 1757:

  

  PQ is parallel to RS. Calculate the value of x.

  Options:
  A) 20${}^{\circ }$
  B) 40${}^{\circ }$
  C) 60${}^{\circ }$
  D) 80${}^{\circ }$
  E) 100${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1758: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 1759: If b = a + cp and r = ab + $\frac{1}{2}$cp², express b² in terms of a, c, r. Options:
  A) b² = aV + 2cr
  B) b² = ar + 2c²r
  C) b² = a² = $\frac{1}{2}$ cr²
  D) b² = $\frac{1}{2}$ar² + c
  E) b² = 2cr - a²
  Show Answer
  The correct answer is E .
• Question 1760: A particle p moves between points S and T such that angle SPT is always constant. Find the locus of P. Options:
  A) it is a straight line perpendicular to ST.
  B) it is a quadrant of a circle with ST as diameter
  C) it is a perpendicular bisector of ST
  D) it is a semi-circle with ST as diameter
  Show Answer
  The correct answer is D .