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 81: Reduce each number to two significant figures and then evaluate $\frac{0.021741\times 1.2047}{0.023789}$ Options:
  A) 0.8
  B) 0.9
  C) 1.1
  D) 1.2
  Show Answer
  The correct answer is C .
• Question 82: The bearings of P and Q from a common point N are 020° and 300° respectively. If P and Q are also equidistant from N, find the bearing of P from Q. Options:
  A) 040°
  B) 070°
  C) 280°
  D) 320°
  Show Answer
  The correct answer is B .
• Question 83:

  

  In the figure, PQRS is a square of sides 8cm. What is the area of $△$UVW?

  Options:
  A) 64 sq. cm
  B) 40 sq.cm
  C) 50 sq.cm
  D) 10 sq.cm
  Show Answer
  The correct answer is D .
• Question 84:

  Find the equation of straight line passing through (2, 3) and perpendicular to the line $3x+2y+4=0$

  Options:
  A) 3y = 5x - 2
  B) y = $\frac{5}{3}\times -2$
  C) None of these
  D) 3y = 2x + 5
  Show Answer
  The correct answer is D .
• Question 85: In a basket of fruits, there are 6 grapes, 11 bananas and 13 oranges, if one fruit is chosen at random, what is the probability that the fruit is either a grape or a banana? Options:
  A) $\frac{17}{30}$
  B) $\frac{11}{30}$
  C) $\frac{6}{30}$
  D) $\frac{5}{30}$
  Show Answer
  The correct answer is A .
• Question 86: Simplify 3 - 2 $÷$ $\frac{4}{5}$ + $\frac{1}{2}$ Options:
  A) 1$\frac{3}{4}$
  B) -1
  C) 1$\frac{3}{10}$
  D) 1
  E) 1$\frac{9}{10}$
  Show Answer
  The correct answer is D .
• Question 87: Find the point (x, y) on the Euclidean plane where the curve y = 2x² - 2x + 3 has 2 as gradient Options:
  A) (1, 3)
  B) (2, 7)
  C) (0, 3)
  D) (3, 15)
  Show Answer
  The correct answer is A .
• Question 88: If a binary operation * is defined by x * y = x + 2y, find 2 * (3 * 4) Options:
  A) 24
  B) 16
  C) 14
  D) 26
  Show Answer
  The correct answer is A .
• Question 89: Make R the subject of the formula if T = $\frac{K{R}^2+M}{3}$ Options:
  A) $\sqrt{\frac{3T-K}{M}}$
  B) $\sqrt{\frac{3T-M}{K}}$
  C) $\sqrt{\frac{3T+K}{M}}$
  D) $\sqrt{\frac{3T-K}{M}}$
  Show Answer
  The correct answer is B .
• Question 90:

  

  PQRS is a desk of dimensions 2m $\times$ 0.8 which is inclined at 30${}^{\circ }$ to the horizontal. Find the inclination of the diagonal PR to the horizontal

  Options:
  A) 30${}^{\circ }$ 35'
  B) 30${}^{\circ }$ 32'
  C) 15${}^{\circ }$ 36'
  D) 10${}^{\circ }$
  E) 10${}^{\circ }$ 42'
  Show Answer
  The correct answer is E .