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 1151: Without using tables find the numerical value of log₇49 + log7_{($\frac{1}{7}$)} Options:
  A) 1
  B) 2
  C) 3
  D) 7
  E) 9
  Show Answer
  The correct answer is A .
• Question 1152: x₁₀ = 1214₅ find x. Options:
  A) 124
  B) 184
  C) 121
  D) 180
  Show Answer
  The correct answer is B .
• Question 1153: Find the dimensions of a rectangle of greatest area which has a fixed perimeter p. Options:
  A) square of sides p
  B) square of sides 2p
  C) square of sides (p/2)
  D) square of sides (p/4)
  Show Answer
  The correct answer is D .
• Question 1154: Evaluate ${\int }_2^1$(3 - 2x)dx Options:
  A) 33m
  B) 5
  C) 2
  D) 6
  Show Answer
  The correct answer is C .
• Question 1155: If x² + 4 = 0, then x ? Options:
  A) 4
  B) -4
  C) 2
  D) -2
  E) None of the above
  Show Answer
  The correct answer is E .
• Question 1156: Make F the subject of the formula t = $\sqrt{\frac{v}{\frac{1}{f}+\frac{1}{g}}}$ Options:
  A) $\frac{gv-t^2}{g{t}^2}$
  B) $\frac{g{t}^2}{gv-t^2}$
  C) $\frac{v}{\frac{1}{t^2}-\frac{1}{g}}$
  D) $\frac{gv}{t^2-g}$
  Show Answer
  The correct answer is B .
• Question 1157: The sum of the progression is 1 + x + x² + x³ + ...... Options:
  A) $\frac{1}{1-x}$
  B) $\frac{1}{1+x}$
  C) $\frac{1}{x-1}$
  D) $\frac{1}{x}$
  Show Answer
  The correct answer is A .
• Question 1158: A trader in country where their currency 'MONI'(M) is in base five bought 103₅ oranges at M14₅ each. If he sold the oranges at M24₅ each, what will be his gain? Options:
  A) 103₅
  B) 1030₅
  C) 102₅
  D) 2002₅
  E) 3032₅
  Show Answer
  The correct answer is B .
• Question 1159:

  A coin is thrown 3 times. What is the probability that atleast one head is obtained?

  Options:
  A) $\frac{7}{8}$
  B) $\frac{3}{8}$
  C) None the above
  D) $\frac{1}{8}$
  Show Answer
  The correct answer is A .
• Question 1160: If the surface area of a sphere increased by 44%, find the percentage increase in diameter Options:
  A) 44
  B) 30
  C) 22
  D) 20
  Show Answer
  The correct answer is D .