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 1651:

  Find the length of a side of a rhombus whose diagonals are 6cm and 8cm

  Options:
  A) 8cm
  B) 5cm
  C) 4cm
  D) 3cm
  Show Answer
  The correct answer is B .
• Question 1652:

  

  In the diagram above, PQ = 4 cm and TS = 6 cm. If the area of parallelogram PQTU is 32 cm², find the area of the trapezium PQRU

  Options:
  A) 60 cm²
  B) 72 cm²
  C) 48 cm²
  D) 24 cm²
  Show Answer
  The correct answer is B .
• Question 1653: Evaluate ⁿ⁺¹C_n-2 If n =15 Options:
  A) 3630
  B) 3360
  C) 1120
  D) 560
  Show Answer
  The correct answer is D .
• Question 1654:

  A box contains two red balls and four blue balls. A ball is drawn at random from the box and then replaced before a second ball is drawn. Find the probability of drawing two red balls.

  Options:
  A) $\frac{2}{3}$
  B) $\frac{1}{3}$
  C) $\frac{1}{4}$
  D) $\frac{1}{9}$
  Show Answer
  The correct answer is D .
• Question 1655: 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 1656:

  Find all real number x which satisfy the inequality $\frac{1}{3}$ (x + 1) - 1 > $\frac{1}{5}$(x + 4)

  Options:
  A) x < 11
  B) x < -1
  C) x > 6
  D) x > 11
  Show Answer
  The correct answer is D .
• Question 1657: 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 1658: Which of the following fractions is less than one-third? Options:
  A) $\frac{22}{63}$
  B) $\frac{4}{11}$
  C) $\frac{15}{46}$
  D) $\frac{33}{98}$
  E) $\frac{122}{303}$
  Show Answer
  The correct answer is C .
• Question 1659:

  The probabilities that John and James pass an examination are $\frac{3}{4}$and $\frac{3}{5}$ respectively. Find the probability of both boys failing the examination.

  Options:
  A) $\frac{1}{10}$
  B) $\frac{2}{10}$
  C) $\frac{9}{20}$
  D) $\frac{11}{20}$
  Show Answer
  The correct answer is D .
• Question 1660:

  Simplify $(\sqrt[3]{64a^3}{)}^{-1}$

  Options:
  A) 4a
  B) 1/8a
  C) 8a
  D) 1/4a
  Show Answer
  The correct answer is D .