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 1521: The mean and the range of the set of numbers 1.20, 1.00, 0.90, 1.40, 0.80, 1.20, and 1.10 are m and r respectively. Find m + r Options:
  A) 1.11
  B) 1.69
  C) 1.85
  D) 2.45
  Show Answer
  The correct answer is B .
• Question 1522: Find the distance between the point Q (4,3) and the point common to the lines 2x - y = 4 and x + y = 2 Options:
  A) 3√10
  B) 3√5
  C) √26
  D) √13
  Show Answer
  The correct answer is D .
• Question 1523: Find the equation of the set of points which are equidistant from the parallel lines x = 1 and x = 7 Options:
  A) y = 3
  B) x = 3
  C) x = 4
  D) y = 4
  Show Answer
  The correct answer is C .
• Question 1524: If a circular paper disc is trimmed in such a way that its circumference is reduced in the ratio 2:5, In what ratio is the surface reduced? Options:
  A) 8 : 125
  B) 2 : 5
  C) 8 : 25
  D) 4 : 25
  E) 4 : 10
  Show Answer
  The correct answer is D .
• Question 1525: A steel ball of radius 1 cm is dropped into a cylinder of radius 2cm and height 4cm. If the cylinder is now filled with water, what is the volume of the water in the cylinder? Options:
  A) $\frac{44}{3}$$\pi$cm³
  B) 12$\pi$cm³
  C) $\frac{38}{3}$$\pi$cm³
  D) $\frac{40}{3}$$\pi$cm³
  E) $\frac{32}{33}$$\pi$cm³
  Show Answer
  The correct answer is A .
• Question 1526: Evaluate ${\int }_0^{\frac{\pi }{4}}se{c}^2\theta d\theta$ Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is A .
• Question 1527: 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 1528: If log₅20 = x, find x Options:
  A) 1.761
  B) 1.354
  C) 1.861
  D) 2.549
  Show Answer
  The correct answer is C .
• Question 1529: If 9x² + 6xy + 4y² is a factor of 27x³ - 8y³, find the other factor. Options:
  A) 2y + 3x
  B) 2y - 3x
  C) 3x + 2y
  D) 3x - 2y
  Show Answer
  The correct answer is D .
• Question 1530:

  

  In the figure above, TS//XY and XY = TY, <STZ = 34${}^{\circ }$, < TXY = 47${}^{\circ }$. Find the angle marked n.

  Options:
  A) 47${}^{\circ }$
  B) 52${}^{\circ }$
  C) 56${}^{\circ }$
  D) 99${}^{\circ }$
  Show Answer
  The correct answer is B .