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 281: In xyz, y = z = 30^o ans XZ = 3cm. Find YZ Options:
  A) $\frac{\sqrt{3}}{2}$ cm
  B) 3$\frac{\sqrt{3}}{2}$ cm
  C) 3$\sqrt{3}$ cm
  D) 2$\sqrt{3}$ cm
  Show Answer
  The correct answer is C .
• Question 282: Which of the following is a factor of 15 + 7x - 2x² Options:
  A) x + 3
  B) x - 3
  C) x - 5
  D) x + 5
  Show Answer
  The correct answer is C .
• Question 283:

  

  In the figure, PQRS is a square of sides 8cm. What is the area of $△$UVW?

  Options:
  A) 64 sq. cm
  B) 40 sq.cm
  C) 50 sq.cm
  D) 10 sq.cm
  Show Answer
  The correct answer is D .
• Question 284:

  X and Y are two sets such that nX = 15, nY = 12 and n{X ∩ Y} = 7. Find n{X ∪ Y}.

  Options:
  A) 21
  B) 225
  C) 15
  D) 20
  Show Answer
  The correct answer is D .
• Question 285: If $\frac{(2\sqrt{3}-\sqrt{2})}{(\sqrt{3}+2\sqrt{2})}=m+n\sqrt{6}$, find the values of m and n respectively. Options:
  A) 1, -2
  B) -2, 1
  C) $\frac{-2}{5}$, 1
  D) 2, 3/5
  Show Answer
  The correct answer is B .
• Question 286: Simplify 4 √[(390695T− 8)½)] Options:
  A) 1/T
  B) 2T
  C) 5/T
  D) T/5
  Show Answer
  The correct answer is C .
• Question 287: In how many ways can a delegation of 3 be chosen from 5 men and 3 women. If at least 1 man and 1 woman must be included? Options:
  A) 15
  B) 28
  C) 30
  D) 45
  Show Answer
  The correct answer is D .
• Question 288:

  Points X and Y are 20km North and 9km East of point O, respectively. What is the bearing of Y from X? Correct to the nearest degree.

  Options:
  A) 24°
  B) 56°
  C) 127°
  D) 156°
  Show Answer
  The correct answer is D .
• Question 289:

  The weight of a day-old chick was measured to be 0.21g. If the actual weight of the chick is 0.18g, what was the percentage error in the measurement?

  Options:
  A) 15.5%
  B) 18.2%
  C) 14.8%
  D) 16.7%
  Show Answer
  The correct answer is D .
• Question 290: In $\mathrm{\Delta }$XYZ, XY = 3cm, XZ = 5cm and YZ = 7cm. If the bisector of XYZ meets XZ at W, what is the length of XW? Options:
  A) 1.5cm
  B) 25cm
  C) 3cm
  D) 4cm
  E) None of the above
  Show Answer
  The correct answer is A .