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 1:

  Score (x)	0	1	2	3	4	5	6
  Freq (f)	5	7	3	7	11	6	7

  Find the variance

  Options:
  A) 3.42
  B) 4.69
  C) 4.85
  D) 3.72
  Show Answer
  The correct answer is D .
• Question 2:

  

  PMN and PQR are two secants of the circle MQTRN and PT is a tangent. If PM = 5cm, PN = 12cm and PQ = 4.8cm, calculate the respective lengths of PR and PT in centimeters

  Options:
  A) 7.3, 5.9
  B) 7.7, 12.5
  C) 12.5, 7.7
  D) 5.9, 7.3
  Show Answer
  The correct answer is C .
• Question 3: A point P moves so that is equidistant from point L and M. If LM is 6cm, find the distance of P from LM when P is 10cm from L Options:
  A) 12cm
  B) 10cm
  C) 8cm
  D) 6cm
  Show Answer
  The correct answer is D .
• Question 4:

  

  In a class of 30 students, the marks scored in an examination are displayed in the histogram. What percentage of the student scored more than 40%?

  Options:
  A) 14%
  B) 40%
  C) 40$\frac{3}{4}$%
  D) 53$\frac{1}{3}$%
  Show Answer
  The correct answer is C .
• Question 5:

  

  In the diagram PQ is parallel to RS. What is the value of $\alpha +\beta +\gamma$

  Options:
  A) 180${}^{\circ }$
  B) 90${}^{\circ }$
  C) 360${}^{\circ }$
  D) 200${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 6: Four boys and ten girls can cut a field in 5 hours if the boys work at $\frac{5}{4}$ the rate at which the girls work. How many boys will be needed to cut the field in 3 hours? Options:
  A) 180
  B) 60
  C) 25
  D) 20
  Show Answer
  The correct answer is D .
• Question 7: A straight lie y = mx meets the curve y = x² - 12x + 40 in two distinct points. If one of them is (5, 5) find the other Options:
  A) (5, 6)
  B) (8, 8)
  C) (8, 5)
  D) (7,7)
  E) (7, 5)
  Show Answer
  The correct answer is E .
• Question 8: Find the reciprocal of $\frac{\frac{2}{3}}{\frac{1}{2}+\frac{1}{3}}$ Options:
  A) $\frac{4}{5}$
  B) $\frac{5}{4}$
  C) $\frac{2}{5}$
  D) $\frac{6}{7}$
  Show Answer
  The correct answer is B .
• Question 9: If a function is defined by $f(x+1)=3x^2-x+4$, find $f(0)$ Options:
  A) 4
  B) 6
  C) 8
  D) 2
  Show Answer
  The correct answer is D .
• Question 10:

  If n(P) = 20 and n(Q) = 30 and n(PuQ) = 40, find the value n(PnQ)

  Options:
  A) 10
  B) 30
  C) 15
  D) 40
  Show Answer
  The correct answer is A .