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 2281: Find correct to two decimals places 100 + $\frac{1}{100}$ + $\frac{3}{1000}$ + $\frac{27}{10000}$ Options:
  A) 100.02
  B) 1000.02
  C) 100.22
  D) 100.01
  E) 100.51
  Show Answer
  The correct answer is A .
• Question 2282: Simplify $\frac{0.0324\times 0.00064}{0.48\times 0.012}$ Options:
  A) 3.6 x 10²
  B) 3.6 x 10^-2
  C) 3.6 x 10^-3
  D) 3.6 x 10^-4
  Show Answer
  The correct answer is C .
• Question 2283:

  

  In the figure, PQ is a parallel to ST and QRS = 40${}^{\circ }$. Find the value of x.

  Options:
  A) 55${}^{\circ }$
  B) 60${}^{\circ }$
  C) 65${}^{\circ }$
  D) 75${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 2284: A bag contains 4 white balls and 6 red balls. Two balls are taken from the bag without replacement. What is the probability that they are both red? Options:
  A) $\frac{2}{3}$
  B) $\frac{2}{15}$
  C) $\frac{1}{2}$
  D) $\frac{1}{3}$
  Show Answer
  The correct answer is D .
• Question 2285: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 2286: A final examination requires that a student answer any 4 out of 6 questions. In how many ways can this be done? Options:
  A) 15
  B) 20
  C) 30
  D) 45
  Show Answer
  The correct answer is A .
• Question 2287:

  

  In the diagram, QTR is a straight line and < PQT = 30${}^{\circ }$. find the sin of < PTR

  Options:
  A) $\frac{8}{15}$
  B) $\frac{2}{3}$
  C) $\frac{3}{4}$
  D) $\frac{15}{16}$
  Show Answer
  The correct answer is C .
• Question 2288: Five people are to be arranged in a row for a group photograph. How many arrangements are the if a married couple in the group insist on sitting next to each other? Options:
  A) 48
  B) 24
  C) 20
  D) 10
  Show Answer
  The correct answer is C .
• Question 2289: If x > 0, find the range of the numbers x - 3, 3x + 2, x - 1, 4x, 2x - 1, x - 2, 2x - 2, 3x and 3x + 1 Options:
  A) 3x + 3
  B) 3x + 1
  C) 2x + 5
  D) 2x + 1
  Show Answer
  The correct answer is B .
• Question 2290: Find n if 34_n = 10011₂ Options:
  A) 5
  B) 6
  C) 7
  D) 8
  Show Answer
  The correct answer is A .