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 781: 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 782:

  

  In the figure, PS bisects angle QPR. Find the ratio SR:QR.

  Options:
  A) 1:2
  B) 1:3
  C) 1:4
  D) 1:5
  E) 1:6
  Show Answer
  The correct answer is C .
• Question 783:

  Inpreparing rice cutlets, a cook used 75g of rice, 40g of margarine, 105g of meat and 20g of bread crumbs. Find the angle of the sector which represent meat in a pie chart?

  Options:
  A) 30${}^o$
  B) 60${}^o$
  C) 112.5${}^o$
  D) 157.5${}^o$
  Show Answer
  The correct answer is D .
• Question 784:

  If $\sin x=\frac{4}{5}$, find $\frac{1+{\cot }^{2}x}{{\csc }^{2}x-1}$.

  Options:
  A) $\frac{13}{2}$
  B) $\frac{25}{9}$
  C) $\frac{3}{13}$
  D) $\frac{4}{11}$
  Show Answer
  The correct answer is B .
• Question 785:

  

  In the figure, 0 is the centre of circle PQRS and PS//RT. If PRT = 135, then PSO is

  Options:
  A) 67$\frac{1}{2}$${}^{\circ }$
  B) 22$\frac{1}{2}$${}^{\circ }$
  C) 33$\frac{1}{2}$${}^{\circ }$
  D) 45${}^{\circ }$
  E) 90${}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 786: The sum of the interior angles of a pentagon is 6x + 6y. Find y in the terms of x Options:
  A) y = 90 - x
  B) y = 150 - x
  C) y = 60 - x
  D) y = 120 -x
  Show Answer
  The correct answer is A .
• Question 787: 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 788:

  Given U = {x is a positive integer less than 15} and P = {x is even number from 1 to 14}. Find the compliment.

  Options:
  A) {1, 3, 5, 7, 9, 11, 13, 15}
  B) {2, 3, 5, 7, 9, 11, 13}
  C) {1, 3, 5, 7, 9, 11, 13}
  D) {2, 3, 5, 7, 11, 15}
  Show Answer
  The correct answer is C .
• Question 789:

  

  The grades A1, A2, A3, C4 and F earned by students in a particular course are shown in the pie chart. What percentage of the students obtained a C4 grade?

  Options:
  A) 52.0
  B) 43.2
  C) 40.0
  D) 12.0
  Show Answer
  The correct answer is D .
• Question 790:

  Find x if log${}_9$x = 1.5

  Options:
  A) 27
  B) 15
  C) 3.5
  D) 32
  Show Answer
  The correct answer is A .