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 341: At what value of X does the function y = -3 - 2x + X² attain a minimum value? Options:
  A) -1
  B) 14
  C) 4
  D) 1
  Show Answer
  The correct answer is D .
• Question 342: 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 343: The length a person can jump is inversely proportional to his weight. If a 20 kg person can jump 1.5 m, find the constant of proportionality Options:
  A) 60
  B) 30
  C) 20
  D) 15
  Show Answer
  The correct answer is B .
• Question 344: PRSQ is a trapezium of area 14cm² in which PQ||RS. If PQ = 4cm and SR = 3cm, Find the area of SQR in cm² Options:
  A) 7.0
  B) 6.0
  C) 5.2
  D) 5.0
  Show Answer
  The correct answer is B .
• Question 345:

  Evaluate $\frac{{27}^{\frac{1}{3}}-8^{\frac{2}{3}}}{{16}^{\frac{2}{4}}\times 2}$

  Options:
  A) $\frac{23}{5}$
  B) -$\frac{23}{5}$
  C) $\frac{1}{8}$
  D) $\frac{21}{7}$
  Show Answer
  The correct answer is C .
• Question 346: The distance travelled by a particle from a fixed point is given as s = (t³ - t² - t + 5)cm. Find the minimum distance that the particle can cover from the fixed point. Options:
  A) 2.3 cm
  B) 4.0cm
  C) 5.2
  D) g
  Show Answer
  The correct answer is B .
• Question 347: Find the positive value of x if the standard deviation of the numbers 1, x + 1 is 6 Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is C .
• Question 348: Make T the subject of the equation $\frac{av}{1-v}$ = $\sqrt{\frac{2v+T}{a+2T}}$ Options:
  A) T = $\frac{3av}{1-v}$
  B) T = $\frac{1+v}{2a^2{v}^3}$
  C) T = $\frac{2v(1-v{)}^3-a^4{v}^3}{2a^3{v}^3+(1-v{)}^2}$
  D) $\frac{2v(1-v{)}^3-a^4{v}^3}{2a^3{v}^3-(1-v{)}^3}$
  Show Answer
  The correct answer is D .
• Question 349: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number Options:
  A) 2
  B) 3
  C) 4
  D) 5
  E) 6
  Show Answer
  The correct answer is B .
• Question 350: Given T = {even numbers from 1 to 12}
  N = {common factors of 6, 8 and 12}
  Find T ∩ N Options:
  A) {2, 3}
  B) {2, 3, 4}
  C) {3, 4, 6}
  D) {2}
  Show Answer
  The correct answer is D .