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 1581: The locus of all points at a distance 8cm from a point N passes through points T and S. If S is equidistant from T and N, find the area of triangle STN. Options:
  A) 4$\sqrt{3c{m}^2}$
  B) 16$\sqrt{3c{m}^2}$
  C) 32cm²
  D) 64cm²
  Show Answer
  The correct answer is B .
• Question 1582:

  If N225.00 yields N27.00 in x years simple interest at the rate of 4% per annum, find x.

  Options:
  A) 3
  B) 4
  C) 12
  D) 17
  Show Answer
  The correct answer is A .
• Question 1583:

  

  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 1584:

  If 1011₂ + x₇ = 25₁₀, solve for X.

  Options:
  A) 20₇
  B) 14₇
  C) 20₇
  D) 24₇
  Show Answer
  The correct answer is A .
• Question 1585: Simplify $\sqrt{27}$ + $\frac{3}{\sqrt{3}}$ Options:
  A) 4$\sqrt{3}$
  B) $\frac{4}{\sqrt{3}}$
  C) 3$\sqrt{3}$
  D) $\frac{\sqrt{3}}{4}$
  Show Answer
  The correct answer is A .
• Question 1586: Simplify T = $\frac{4R_2}{R_1^{-1}+R_2^{-1}+4R_3^{-1}}$ Options:
  A) $\frac{4R_1\times R_2{R}_3}{R_2{R}_3+R_1{R}_3+4R_1{R}_2}$
  B) $\frac{R_1{R}_2{R}_3}{R_2{R}_3+R_1{R}_2+4R_1{R}_2}$
  C) $\frac{16R_1{R}_2{R}_3}{R_2{R}_3+R_1{R}_2+R_1{R}_2}$
  D) $\frac{4R_1{R}_2{R}_3}{4R_2{R}_3+R_1{R}_2+4R_1{R}_2}$
  Show Answer
  The correct answer is A .
• Question 1587: Find the equation of a line perpendicular to line 2y = 5x + 4 which passes through (4, 2). Options:
  A) 5y - 2x -18 = 0
  B) 5y + 2x - 18 = 0
  C) 5y - 2x + 18 = 0
  D) 5y + 2x - 2 = 0
  Show Answer
  The correct answer is B .
• Question 1588: Evaluate 1011²₂ - 101²₂ Options:
  A) 110000₂
  B) 110₂
  C) 1100000₂
  D) 11000₂
  Show Answer
  The correct answer is C .
• Question 1589: If tan $\theta$ = $\frac{5}{4}$ find sin²$\theta$ - cos²$\theta$ Options:
  A) $\frac{9}{41}$
  B) $\frac{5}{4}$
  C) 1
  D) $\frac{9}{1}$
  Show Answer
  The correct answer is A .
• Question 1590: If x is inversely proportional to y and x = 2$\frac{1}{2}$ when y = 2, find x if y = 4 Options:
  A) 4
  B) 5
  C) 1$\frac{1}{4}$
  D) 2$\frac{1}{4}$
  Show Answer
  The correct answer is C .