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 761:

  

  P, R and S lie on a circle center as shown above while Q lies outside the circle. Find ∠PSO

  Options:
  A) 45${}^{\circ }$
  B) 55${}^{\circ }$
  C) 35${}^{\circ }$
  D) 40${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 762: If y = (2x + 2)³, find $\frac{\delta x}{\delta y}$ Options:
  A) 3(2x +2)²
  B) 6(2x +2)
  C) 3(2x +2)
  D) 6(2x +2)²
  Show Answer
  The correct answer is D .
• Question 763: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 764: A chord of a circle subtends an angle of 12o degrees at the centre of a circle of diameter 4√3 cm. Calculate the area of the major sector. Options:
  A) 4π cm²
  B) 32 π cm²
  C) 16 π cm²
  D) 8 π cm²
  Show Answer
  The correct answer is D .
• Question 765: Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2950, find y. Options:
  A) 51
  B) 48
  C) 30
  D) 25
  E) 18
  Show Answer
  The correct answer is C .
• Question 766: Find the minimum value of the function y = x(1+x) Options:
  A) -¹/₄
  B) -¹/₂
  C) ¹/₄
  D) ¹/₂
  Show Answer
  The correct answer is A .
• Question 767: Find all values of x satisfying the inequality -11 $\le$ 4 - 3x $\le$ 28
  Options:
  A) -5 $\le$ x v 8
  B) 5 $\le$ x $\le$ 8
  C) -8 $\le$ x $\le$ 5
  D) -5 < x $\le$ 8
  Show Answer
  The correct answer is C .
• Question 768:

  Divide 1101001${}_{two}$ by 101${}_{two}$

  Options:
  A) 11101${}_{two}$
  B) 111${}_{two}$
  C) 10111${}_{two}$
  D) 10101${}_{two}$
  Show Answer
  The correct answer is D .
• Question 769: What is the locus of points equidistant from the lines ax + bc + c = 0? Options:
  A) A line bx - ay +q = 0
  B) A line ax - ay +q = 0
  C) A line bx + ay +q = 0
  D) A line bx + ay +q = 0
  Show Answer
  The correct answer is B .
• Question 770:

  Find the value of y, if log (y + 8) + log (y - 8) = 2log 3 + 2log 5

  Options:
  A) y = ±5
  B) y = ±10
  C) y = ±17
  D) y = ±13
  Show Answer
  The correct answer is C .