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 1021:

  

  Find the value of x in the figure above.

  Options:
  A) 20$\sqrt{3}$cm
  B) 10$\sqrt{3}$cm
  C) 5$\sqrt{3}$cm
  D) 4$\sqrt{3}$cm
  Show Answer
  The correct answer is B .
• Question 1022: If x₁₀ = 23₅. Find x Options:
  A) 15
  B) 12
  C) 14
  D) 13
  Show Answer
  The correct answer is D .
• Question 1023: If the hypotenuse of a right angle-triangle isosceles triangle is 2cm. What is the area of the triangle? Options:
  A) ¹/_√2 cm²
  B) 1 cm²
  C) √2 cm²
  D) 2√2 cm²
  Show Answer
  The correct answer is B .
• Question 1024: Evaluate $\frac{({81}^{\frac{3}{4}}-{27}^{\frac{1}{3}})}{3\times 2^3}$ Options:
  A) 3
  B) 1
  C) 1/3
  D) 1/8
  Show Answer
  The correct answer is B .
• Question 1025:

  Find the value of k in the equation: $\sqrt{28}+\sqrt{112}-\sqrt{k}=\sqrt{175}$

  Options:
  A) $\sqrt{28}$
  B) 7
  C) 28
  D) $\sqrt{7}$
  Show Answer
  The correct answer is B .
• Question 1026:

  Convert 0.04945 to two significant figures

  Options:
  A) 0.040
  B) 0.049
  C) 0.050
  D) 0.49
  Show Answer
  The correct answer is B .
• Question 1027: If x - 3 is directly proportional to the square of y and x = 5 when y =2, find x when y = 6. Options:
  A) 30
  B) 21
  C) 16
  D) 12
  Show Answer
  The correct answer is B .
• Question 1028:

  A ship sets sail from port A (86${}^o$N, 56${}^o$W) for port B (86${}^o$N, 64${}^o$W), which is close by. Find the distance the ship covered from port A to port B, correct to the nearest km.

  [Take $\pi$= 3.142 and R = 6370 km]

  Options:
  A) 62 km
  B) 97 km
  C) 389 km
  D) 931 km
  Show Answer
  The correct answer is A .
• Question 1029:

  

  In the figure, the chords XY and ZW are produced to meet at T such that YT = WT, ZYW = 40${}^{\circ }$ and YTW = 30${}^{\circ }$. What is YXW?

  Options:
  A) 50${}^{\circ }$
  B) 75${}^{\circ }$
  C) 35${}^{\circ }$
  D) 115${}^{\circ }$
  E) 30${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 1030: Find the mean deviation of 2, 4, 5, and 9 Options:
  A) 1
  B) 2
  C) 5
  D) 7
  Show Answer
  The correct answer is B .