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 1401:

  Two numbers are removed at random from the numbers 1, 2, 3 and 4. What is the probability that the sum of the numbers removed is even?

  Options:
  A) $\frac{2}{3}$
  B) $\frac{1}{2}$
  C) $\frac{1}{3}$
  D) $\frac{1}{4}$
  Show Answer
  The correct answer is B .
• Question 1402: The ratio of the areas of similar triangles is necessarily equal to Options:
  A) the ratio of the corresponding sides
  B) the ratio of the squares on corresponsing sides
  C) the ratio of the corresponding heights of the triangles
  D) half the ratio of the corresponding heights of the triangles
  E) the ratio of the corresponding bases to the heights of the triangles
  Show Answer
  The correct answer is C .
• Question 1403: If M represents the median and D the mode of the measurements 5, 9, 3, 5, 7, 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 1404: In preparing rice cutlets, a cook used 75g of rice, 40g of margarine, 105g of meat and 20g of bread crumbs. Find the angle of the sector which represents meat in pie chart Options:
  A) 30^o
  B) 60^o
  C) 112.5^o
  D) 157.5^o
  Show Answer
  The correct answer is D .
• Question 1405:

  

  In the fiqure where PQRTU is a circle, ISTI = IRSI and angle TSR = 52${}^{\circ }$. Find the angle marked m.

  Options:
  A) 128${}^{\circ }$
  B) 52${}^{\circ }$
  C) 104${}^{\circ }$
  D) 64${}^{\circ }$
  E) 116${}^{\circ }$
  Show Answer
  The correct answer is E .
• Question 1406: Solve the simultaneous equations $\frac{2}{x}-\frac{2}{x}$ = 2, $\frac{4}{x}+\frac{3}{y}$ = 10 Options:
  A) x = $\frac{3}{2}$, y = $\frac{3}{2}$
  B) x = $\frac{1}{2}$, y = $\frac{3}{2}$
  C) x = $\frac{-1}{2}$, y = $\frac{-3}{2}$
  D) x = $\frac{1}{2}$, y = $\frac{3}{2}$
  Show Answer
  The correct answer is B .
• Question 1407:

  

  The equation of the graph is

  Options:
  A) y = (x - 3)³
  B) y = (x + 3)³
  C) y = x³ - 27
  D) y = -x³ + 27
  Show Answer
  The correct answer is C .
• Question 1408:

  12 men complete a job in 9 days. How many men working at the same rate would be required to complete the job in 6 days?

  Options:
  A) 24
  B) 18
  C) 12
  D) 9
  E) 8
  Show Answer
  The correct answer is E .
• Question 1409:

  

  In the diagram above , XZ is the diameter of the circle XZW, with center O and radius 15/2 cm. If XY = 12 cm, find the area of the triangle XYZ

  Options:
  A) 54 cm²
  B) 45 cm²
  C) 27 cm²
  D) 75 cm²
  Show Answer
  The correct answer is A .
• Question 1410: Evaluate $\int \sin 2xdx$ Options:
  A) cos 2x + k
  B) $\frac{1}{2}$cos 2x + k
  C) $-\frac{1}{2}$cos 2x + k
  D) -cos 2x + k
  Show Answer
  The correct answer is C .