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 1301:

  If the mean of 4, y, 8 and 10 is 7. Find y?

  Options:
  A) 6
  B) 10
  C) 7
  D) 9
  Show Answer
  The correct answer is A .
• Question 1302: Simplify (25)^-1/₂ x (27)¹/₃ + (121)^-1/₂ x (625)^-1/₄ Options:
  A) ³⁴/₅₅
  B) ⁹/₁₁
  C) ¹⁴/₅
  D) ³/₂₇₅
  Show Answer
  The correct answer is A .
• Question 1303: If w varies inversely as V and U varies directly as w³, Find the relationship between u and v given that u = 1, when v = 2 Options:
  A) u = $\frac{8}{v^3}$
  B) v = $\frac{8}{u^2{v}^3}$
  C) u = 8v³
  D) v = 8u²
  Show Answer
  The correct answer is A .
• Question 1304: From the top of a vertical mast 150m high., two huts on the same ground level are observed. One due east and the other due west of the mast. Their angles of depression are 60^o and 45^o respectively. Find the distance between the huts Options:
  A) 150(1 + $\sqrt{3}$)m
  B) 50( $\sqrt{3}$ - $\sqrt{3}$)m
  C) 150 $\sqrt{3}$m
  D) $\frac{50}{\sqrt{3}}$m
  Show Answer
  The correct answer is B .
• Question 1305: The length a person can jump is inversely proportional to his weight. If a 20 kg person can jump 1.5 m, find the constant of proportionality Options:
  A) 60
  B) 30
  C) 20
  D) 15
  Show Answer
  The correct answer is B .
• Question 1306:

  

  Find the value of $\theta$ in the diagram

  Options:
  A) 60${}^{\circ }$
  B) 100${}^{\circ }$
  C) 120${}^{\circ }$
  D) 30${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 1307: Calculate the length in cm. of the area of a circle of diameter 8cm which subtends an angle of 22$\frac{1}{2}$^o at the centre of the circle Options:
  A) 2$\pi$
  B) $\pi$
  C) $\frac{2}{3}$
  D) $\frac{\pi }{2}$
  Show Answer
  The correct answer is D .
• Question 1308: A sector of a circle of radius 7.2cm which subtends an angle of 300${}^{\circ }$ at the centre is used to form a cone. What is the radius of the base of the cone? Options:
  A) 6cm
  B) 7cm
  C) 8cm
  D) 9cm
  E) 5cm
  Show Answer
  The correct answer is A .
• Question 1309:

  

  In the figure, the area of the shaded segment is

  Options:
  A) 3$\pi$
  B) 9$\frac{\sqrt{3}}{4}$
  C) 3 $\pi -3\frac{\sqrt{3}}{4}$
  D) $\frac{(\sqrt{3-\pi )}}{4}$
  E) $\pi +\frac{9\sqrt{3}}{4}$
  Show Answer
  The correct answer is C .
• Question 1310: If $log{X}^{\frac{1}{2}}$ 64 = 3, find the value of x. Options:
  A) 4
  B) 16
  C) 32
  D) 64
  Show Answer
  The correct answer is B .