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 1371:

  Find the mean deviation of 1, 2, 3 and 4

  Options:
  A) 1.0
  B) 1.5
  C) 2.0
  D) 2.5
  Show Answer
  The correct answer is A .
• Question 1372: 7 pupils of average age 12 years leave a class of 25 pupils of average age 14 years. If 6 new pupils of average age 11years join the class, what is the average age of the pupils now in the class? Options:
  A) 13years
  B) 12 years 7$\frac{1}{2}$ months
  C) 13 years 5 months
  D) 13 years 10 months
  E) 11 years
  Show Answer
  The correct answer is D .
• Question 1373:

  A crate of soft drinks contains 10 bottle of Coca-Cola 8 of Fanta and 6 of Sprite. If one bottle is selected at random, whatis the probability that it is Not a Coca-Cola bottle?

  Options:
  A) $\frac{5}{12}$
  B) $\frac{1}{3}$
  C) $\frac{3}{4}$
  D) $\frac{7}{12}$
  Show Answer
  The correct answer is D .
• Question 1374:

  If P = [$\frac{Q(R-T)}{15}$] ${}^{\frac{1}{3}}$ make T the subject of the relation

  Options:
  A) T = $\frac{R+P^3}{15Q}$
  B) T = $\frac{R-15P^3}{Q}$
  C) T = $\frac{R-15P^3}{Q}$
  D) T = $\frac{15R-Q}{P^3}$
  Show Answer
  The correct answer is C .
• Question 1375:

  Find the value of x for $\frac{2+2x}{3}-2\ge \frac{4x-6}{5}$

  Options:
  A) x $\ge$ -5
  B) x $\ge$ -1
  C) x $\le$ -1
  D) x $\le$ 3
  Show Answer
  The correct answer is C .
• Question 1376:

  

  In the parallelogram PQRS above, find angle SQR

  Options:
  A) 100${}^{\circ }$
  B) 80${}^{\circ }$
  C) 50${}^{\circ }$
  D) 30${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 1377:

  Find the missing numerator $\frac{5}{x+1}$ - $\frac{3}{1-x}$ - $\frac{7x-1}{x^2-1}$ = x + 1

  Options:
  A) -1
  B) x - 1
  C) $\frac{3(1-5x)}{x-1}$
  D) $\frac{1}{(x+1)}$
  E) 3(1 - 5x)
  Show Answer
  The correct answer is D .
• Question 1378: The arithmetic mean of the ages of 30 pupils in a class is 15.3 years. One boy leaves the class and one girl is enrolled, and the new average age of 30 pupils in the class becomes 15.2 years. How much older is the boy than the girl? Options:
  A) 30 years
  B) 6 years
  C) 9 years
  D) 3 years
  E) 1 year
  Show Answer
  The correct answer is D .
• Question 1379:

  Find the missing value in the following table:

  $\begin{array}{ccccccc}x& -2& -1& 0& 1& 2& 3\\ y=x^3-x+3& & 3& 3& 3& 9& 27\end{array}$

  Options:
  A) -3
  B) 3
  C) -9
  D) 13
  E) 9
  Show Answer
  The correct answer is A .
• Question 1380: The locus of all points having a distance of 1 unit from each of the two fixed points a and b is Options:
  A) a line parallel to the line ab
  B) a line perpendicular to the line ab through the mid-point of ab
  C) a circle through a and b with centre at the mid-point of ab
  D) a circle with centre at a and passes through b
  E) a circle in a plane perpendicular to ab and centre at the mid-point of the line ab
  Show Answer
  The correct answer is B .