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 1161: If s = $\sqrt{(\frac{a^2}{x^2}-\frac{b^2}{x^2})}$what does y equal? Options:
  A) $\sqrt{[(b^2-a^2)]÷(s^2-x^2)}$
  B) $\sqrt{[(b^2-a^2)÷(s^2\times 2)]}$
  C) $\sqrt{[x^2-a^2-b^2]÷s}$
  D) $[x^2-a^2-b^2]÷s$
  E) $\sqrt{[(b^2\times 2)÷(s^2\times 2-a^2)]}$
  Show Answer
  The correct answer is E .
• Question 1162:

  Simplify 2log $\frac{2}{5}$ - log$\frac{72}{125}$ + log 9

  Options:
  A) 1 - 4 log3
  B) -1 + 2 log 3
  C) -1 + 5 log2
  D) 1 - 2log 2
  Show Answer
  The correct answer is D .
• Question 1163: The pilot of an aeroplane, flying 10km above the ground in the direction of a landmark, views the landmark to have angles of depression of 35^o and 55^o. Find the distance between the two points of observation Options:
  A) 10(sin 35^o - sin 55^o)
  B) 10 cos35^o - cos 55^o
  C) 10(tan35^o - tan55^o)
  D) 10(cot35^o - cot55^o)
  Show Answer
  The correct answer is D .
• Question 1164: Find the value of P if the line joining (P, 4) and (6, -2) is perpendicular to the line joining (2, P) and (-1, 3). Options:
  A) 4
  B) 6
  C) 3
  D) zero
  Show Answer
  The correct answer is D .
• Question 1165: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 1166: If A = (−3,5) and B = (4,−1) find the co-ordinate of the mid point Options:
  A) 2, ½
  B) ½ , 2
  C) 1, ½
  D) 0, 2
  Show Answer
  The correct answer is B .
• Question 1167:

  

  The result of tossing a fair die 120 times is summarized above. Find the value of x

  Options:
  A) 19
  B) 20
  C) 21
  D) 22
  Show Answer
  The correct answer is B .
• Question 1168: Find the locus of a point which moves such that its distance from the line y = 4 is a constant, k. Options:
  A) y = k + or - 4
  B) y = 4 + or - k
  C) y = 4 + k
  D) y = k - 4
  Show Answer
  The correct answer is A .
• Question 1169:

  

  In the diagram, XZ is the diameter of a circle's radius $\frac{5}{2}$. If XY is 4cm, then the area of the triangle XYZ is

  Options:
  A) 12cm²
  B) 28$\frac{1}{2}$cm²
  C) 16cm²
  D) 10cm²
  E) 6cm²
  Show Answer
  The correct answer is E .
• Question 1170:

  In a committee of 5, which must be selected from 4 males and 3 females. In how many ways can the members be chosen if it were to include 2 females?

  Options:
  A) 144 ways
  B) 15 ways
  C) 185 ways
  D) 12 ways
  Show Answer
  The correct answer is D .