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 1461: 51 women wore coloured shoes to a party, out of which 21 wore purple and 9 wore white. if a woman is selected at Random. What is the probability that she is wearing neither a purple shoe nor a white shoe? Options:
  A) $\frac{10}{17}$
  B) $\frac{7}{5}$
  C) $\frac{20}{51}$
  D) $\frac{3}{17}$
  E) $\frac{1}{51}$
  Show Answer
  The correct answer is B .
• Question 1462:

  

  In the diagram, angle QPR = 90${}^{\circ }$, angle PSR = 90${}^{\circ }$ and PR = 5 units. Find the length of QS.

  Options:
  A) 5 tan 25${}^{\circ }$ sin 65${}^{\circ }$
  B) 5 cos 25${}^{\circ }$ sin 65${}^{\circ }$
  C) 5 tan 25${}^{\circ }$ cos 65${}^{\circ }$
  D) cos 25${}^{\circ }$ cos 65${}^{\circ }$
  E) 5 cosec 25${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 1463:

  Evaluate ${\int }_{-2}^1(x-1{)}^{2}dx$

  Options:
  A) $\frac{-10}{3}$
  B) 7
  C) 9
  D) 11
  Show Answer
  The correct answer is C .
• Question 1464:

  

  Find the square pf the mode

  Options:
  A) 49
  B) 121
  C) 25
  D) 64
  Show Answer
  The correct answer is B .
• Question 1465: Find the value of x for which the function f(x) = 2x³ - x² - 4x + 4 has a maximum value Options:
  A) $\frac{2}{3}$
  B) 1
  C) -1
  D) -$\frac{2}{3}$
  Show Answer
  The correct answer is B .
• Question 1466:

  Inpreparing 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 represent meat in a 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 1467: Evaluate ${\int }_0^2(x^3+x^2)$dx. Options:
  A) 4$\frac{5}{6}$
  B) 6$\frac{2}{3}$
  C) 1$\frac{5}{6}$
  D) 2$\frac{5}{6}$
  Show Answer
  The correct answer is B .
• Question 1468: Solve the inequality x² + 2x > 15.
  Options:
  A) x < -3 or x > 5
  B) -5 < x < 3
  C) x < 3 or x > 5
  D) x > 3 or x < -5
  Show Answer
  The correct answer is D .
• Question 1469:

  

  The triangle PQR above is

  Options:
  A) an obtuse-angled triangle
  B) a scalene triangle
  C) an isosceles triangle
  D) an equilateral triangle
  Show Answer
  The correct answer is C .
• Question 1470: If -2 is the solution of the equation 2x + 1 - 3c = 2c + 3x - 7, find the value of c. Options:
  A) 4
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is C .