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 371: In how many ways can a committee of 2 women and 3 men be chosen from 6 men and 5 women? Options:
  A) 100
  B) 200
  C) 30
  D) 50
  Show Answer
  The correct answer is B .
• Question 372:

  $\begin{array}{ccccc}x& 2& 4& 6& 8\\ f& 4& y& 6& 5\end{array}$

  If the mean of the above frequency distribution is 5.2, find y

  Options:
  A) 2, 1
  B) 1, 2
  C) 1, 5
  D) 5, 2
  Show Answer
  The correct answer is C .
• Question 373:

  Let (*) be a binary operation on a natural number defined by a * b = a - b + (ab)${}^2$, then find 3 * 5

  Options:
  A) 223
  B) 232
  C) 32
  D) -232
  Show Answer
  The correct answer is A .
• Question 374: Seven years ago, the age of a father was three times than that of his son, but in six years time the age of the son will be half that of his father, representing the present ages of the father and so by x and y, respectively, the two equations relating x and y are Options:
  A) 3y - x = 0; 2y - x = 0
  B) 3y - x = 14; x - 2y = 6
  C) 3y - x =7; x - 2y = 6
  D) 3y - x = 14; y - 2x = 6
  E) x + 3y = 7; x = 2y = 12
  Show Answer
  The correct answer is B .
• Question 375:

  In a triangle PQT, QR = $\sqrt{3cm}$, PR = 3cm, PQ = $2\sqrt{3}$cm and PQR = 30^o. Find angles P and R

  Options:
  A) P = 60^o and R = 90^o
  B) P = 30^o and R = 120^o
  C) P = 90^o and R = 60^o
  D) P = 60^o and R 60^o
  E) P = 45^o and R = 105^o
  Show Answer
  The correct answer is A .
• Question 376:

  Find the area, to the nearest cm${}^2$, of the triangle whose sides are in the ratio 2 : 3 : 4 and whose perimeter is 180 cm.

  Options:
  A) 1162 cm${}^2$
  B) 1163 cm${}^2$
  C) 1160 cm${}^2$
  D) 1161 cm${}^2$
  Show Answer
  The correct answer is A .
• Question 377:

  $\begin{array}{ccccccc}\text{No}& 0& 1& 2& 3& 4& 5\\ \text{Frequency}& 1& 4& 3& 8& 2& 5\end{array}$.

  From the table above, find the median and range of the data respectively.

  Options:
  A) (8,5)
  B) (3, 5)
  C) (5 , 8)
  D) (5 , 3)
  Show Answer
  The correct answer is B .
• Question 378: Find the angle of the sectors representing each item in pie chart of the following data 6, 10, 14, 16, 26 Options:
  A) 15^o, 25^o, 35^o, 40^o, 65^o
  B) 60^o, 100^o, 140^o, 160^o, 260^o
  C) 6^o, 10^o, 14^o, 16^o, 26^o
  D) 30^o, 50^o, 70^o, 80^o, 130^o
  E) none of the above
  Show Answer
  The correct answer is D .
• Question 379:

  Rationalise $\frac{2\sqrt{3}+\sqrt{5}}{\sqrt{5}-\sqrt{3}}$

  Options:
  A) (3 √ 15 +11) / 2
  B) 3 √ 15 -11
  C) (3 √ 15 -11) / 2
  D) 3 √ 15 +11
  Show Answer
  The correct answer is A .
• Question 380: In a regular polygon of n sides, each interior angle is 144^o. Find n Options:
  A) 12
  B) 11
  C) 10
  D) 8
  E) 6F
  Show Answer
  The correct answer is C .