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 1181: What is the locus of a point P which moves on one side of a straight line XY, so that the angle XPY is always equal to 90^o? Options:
  A) the perpendicular bisector of XY
  B) a right-angled triangle
  C) a circle
  D) a semi circle
  Show Answer
  The correct answer is D .
• Question 1182: A chord of a circle of a diameter 42cm subtends an angle of 60^o at the centre of the circle. Find the length of the mirror arc Options:
  A) 22cm
  B) 44cm
  C) 110cm
  D) 220cm
  Show Answer
  The correct answer is A .
• Question 1183: A solid sphere of radius 4cm has a mass of 64kg. What will be the mass of a shell of the same metal whose internal and external radii are 2cm and 3cm respectively? Options:
  A) 5kg
  B) 16kg
  C) 19kg
  D) 6kg
  Show Answer
  The correct answer is A .
• Question 1184: In a school of 150 students, 80 offer French while 60 offer Arabic and 20 offer neither. How many students offer both subjects? Options:
  A) 45
  B) 10
  C) 35
  D) 30
  Show Answer
  The correct answer is B .
• Question 1185: Find the range of values of m which satisfy (m - 3)(m - 4) < 0. Options:
  A) 2 < m < 5
  B) -3 < m < 4
  C) 3 < m < 4
  D) -4 < m < 3
  Show Answer
  The correct answer is C .
• Question 1186: The 3rd term of an A.P is 4x - 2y and the 9th term is 10x - 8y. Find the common difference. Options:
  A) 19x - 17y
  B) 8x - 4y
  C) x - y
  D) 2x
  Show Answer
  The correct answer is C .
• Question 1187: Given log 2 = 0.69, log3 = 1, 10 and log7 = 1.90, all to a fixed base, find log 10.5 to the same base without using tables. Options:
  A) 1.03
  B) 2.31
  C) 3.69
  D) 10.5
  E) 25
  Show Answer
  The correct answer is B .
• Question 1188:

  Find the area bounded by the curve y = 3x² - 2x + 1, the ordinates x = 1 and x = 3 and the x-axix.

  Options:
  A) 24
  B) 22
  C) 21
  D) 20
  Show Answer
  The correct answer is D .
• Question 1189: Make L the subject of the formula if d = $\sqrt{\frac{42W}{5L}}$ Options:
  A) $\frac{1}{d}\sqrt{\frac{42W}{5}}$
  B) $\frac{42}{5dW}$
  C) $\sqrt{\frac{42W}{5d}}$
  D) $\frac{42W}{5d^2}$
  Show Answer
  The correct answer is D .
• Question 1190: If $\frac{3e+f}{3f-e}$ = $\frac{2}{5}$, find the value of $\frac{e+3f}{f-3e}$ Options:
  A) $\frac{5}{2}$
  B) 1
  C) $\frac{26}{7}$
  D) $\frac{1}{3}$
  Show Answer
  The correct answer is C .