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 1191: Evaluate ∫sin 3x dx Options:
  A) (2/3) cos 3x + c
  B) (1/3) cos 3x + c
  C) (-1/3) cos 3x + c
  D) (-2/3) cos 3x + c
  Show Answer
  The correct answer is C .
• Question 1192:

  

  The result of tossing a fair die 120 times is summarized above. Find the value of x

  Options:
  A) 19
  B) 20
  C) 21
  D) 22
  Show Answer
  The correct answer is B .
• Question 1193: A number is chosen at random from 10 to 30 both inclusive. What is the probability that the number is divisible by 3? Options:
  A) $\frac{2}{15}$
  B) $\frac{1}{10}$
  C) $\frac{1}{3}$
  D) $\frac{2}{5}$
  Show Answer
  The correct answer is C .
• Question 1194: Simplify √30 × √40 Options:
  A) 10 √3
  B) 5 √3
  C) 20 √3
  D) 15 √3
  Show Answer
  The correct answer is C .
• Question 1195: If (x - 2) and (x + 1) are factors of the expression x³ + px² + qx + 1, what is the sum of p and q Options:
  A) 9
  B) -3
  C) 3
  D) $\frac{17}{3}$
  E) $\frac{2}{3}$
  Show Answer
  The correct answer is B .
• Question 1196:

  

  Calculate the volume of the regular three-dimensional figure drawn above, where <ABC = 90° (a right-angled triangle).

  Options:
  A) 394 cm${}^3$
  B) 425 cm${}^3$
  C) 268 cm${}^3$
  D) 540 cm${}^3$
  Show Answer
  The correct answer is D .
• Question 1197:

  Express $16.54\times {10}^{-5}-6.76\times {10}^{-8}+0.23\times {10}^{-6}$ in standard form.

  Options:
  A) 1.66 x 10${}^{-4}$
  B) 1.66 x 10${}^{-5}$
  C) 1.65 x 10${}^{-5}$
  D) 1.65 x 10${}^{-4}$
  Show Answer
  The correct answer is A .
• Question 1198: In how many ways can the letters of the word ACCEPTANCE be arranged? Options:
  A) 10! / (2!2!3!)
  B) 10! / ( 2!3!)
  C) 10! / (2!2!)
  D) 10!
  Show Answer
  The correct answer is A .
• Question 1199:

  In a triangle PQT, QR = $\sqrt{3cm}$, PR = 3cm, PQ = $2\sqrt{3}$cm and PQR = 30^o. Find angles P and R

  Options:
  A) P = 60^o and R = 90^o
  B) P = 30^o and R = 120^o
  C) P = 90^o and R = 60^o
  D) P = 60^o and R 60^o
  E) P = 45^o and R = 105^o
  Show Answer
  The correct answer is A .
• Question 1200: Find the sum to infinity of the series 1/2 , 1/6, 1/18, ..... Options:
  A) 2/3
  B) 1/3
  C) 3/4
  D) 1
  Show Answer
  The correct answer is C .