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 281: If gt² - k - w = 0, make g the subject of the formula Options:
  A) $\frac{k+w}{t^2}$
  B) $\frac{k-w}{t^2}$
  C) $\frac{k+w}{t}$
  D) $\frac{k-w}{t}$
  Show Answer
  The correct answer is A .
• Question 282: Find the area of the curved surface of a cone whose base radius is 3cm and whose height is 4cm (π = 3.14) Options:
  A) 17.1cm²
  B) 27.2cm²
  C) 47.1cm²
  D) 37.3cm²
  Show Answer
  The correct answer is C .
• Question 283:

  A poultry farmer realized 200 eggs from his birds and sold 5 $\frac{1}{2}$ crates of eggs. What percentages of eggs are left?

  Options:
  A) 82.5%
  B) 15%
  C) 17.5%
  D) 85%
  Show Answer
  The correct answer is C .
• Question 284: Find the sum to infinity of the series
  $\frac{1}{4}$, $\frac{1}{8}$, $\frac{1}{16}$,.......... Options:
  A) $\frac{1}{2}$
  B) $\frac{3}{5}$
  C) $\frac{-1}{5}$
  D) $\frac{73}{12}$
  Show Answer
  The correct answer is A .
• Question 285:

  

  The pie chart above shows the monthly distribution of a man's salary on food items. If he spent ₦8,000 on rice, how much did he spent on yam?

  Options:
  A) ₦42,000
  B) ₦18,000
  C) ₦16,000
  D) ₦12,000
  Show Answer
  The correct answer is C .
• Question 286: Without using table, calculate the value of 1 + sec² 30^o Options:
  A) 2$\frac{1}{3}$
  B) $\frac{2}{15}$
  C) $\frac{5}{3}$
  D) 3$\frac{1}{2}$
  Show Answer
  The correct answer is A .
• Question 287: A man covered a distance of 50 miles on his first trip, on a later trip he traveled 300 miles while going 3 times as fast. His new time compared with the old distance was? Options:
  A) three times as much
  B) the same
  C) twice as much
  D) half as much
  Show Answer
  The correct answer is C .
• Question 288:

  Given $\sin 58°=\cos p°$, find p.

  Options:
  A) 48°
  B) 58°
  C) 32°
  D) 52°
  Show Answer
  The correct answer is C .
• Question 289: Simplify $\frac{x^2+y^2+xy}{x+y}$ - $\frac{x^2+y^2}{x-y}$ Options:
  A) $\frac{x^2+y^2}{(x-y{)}^2}$
  B) $\frac{2y^3}{y^2-x^2}$
  C) $\frac{3x^2+y^2}{(2x-y{)}^2}$
  D) $\frac{x^2+y^2}{(x^2-y)}$
  Show Answer
  The correct answer is B .
• Question 290: calculate the simple interest on N6,500 for 8 years at 5% per annum. Options:
  A) N3,000
  B) N600
  C) N300
  D) N150
  Show Answer
  The correct answer is A .