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 481:

  

  Find the value of x in the figure above.

  Options:
  A) 20$\sqrt{3}$cm
  B) 10$\sqrt{3}$cm
  C) 5$\sqrt{3}$cm
  D) 4$\sqrt{3}$cm
  Show Answer
  The correct answer is B .
• Question 482: In a basket of fruits, there are 6 grapes, 11 bananas and 13 oranges, if one fruit is chosen at random, what is the probability that the fruit is either a grape or a banana? Options:
  A) $\frac{17}{30}$
  B) $\frac{11}{30}$
  C) $\frac{6}{30}$
  D) $\frac{5}{30}$
  Show Answer
  The correct answer is A .
• Question 483: Solve the system of equations: $2^{x+y}=32,3^{3y-x}=27$ Options:
  A) (3, 2)
  B) (-3, 2)
  C) (3, -2)
  D) (-3, -2)
  E) (2, 2)
  Show Answer
  The correct answer is A .
• Question 484:

  At simple interest, a man made a deposit of some money in the bank. The amount in his bank account after 10 years is three times the money deposited. If the interest rate stays the same, after how many years will the amount be five times the money deposited?

  Options:
  A) 15 years
  B) 25 years
  C) 20 years
  D) 30 years
  Show Answer
  The correct answer is C .
• Question 485:

  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 486: Express the product of 0.0014 and 0.011 in standard form Options:
  A) 1.54 x 10^-2
  B) 1.54 x 10^-3
  C) 1.54 x 10^-4
  D) 1.54 x 10^-5
  Show Answer
  The correct answer is D .
• Question 487:

  

  Find the value of $\theta$ in the diagram

  Options:
  A) 60${}^{\circ }$
  B) 100${}^{\circ }$
  C) 120${}^{\circ }$
  D) 30${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 488: Find the minimum value of X² - 3x + 2 for all real values of x Options:
  A) -$\frac{1}{4}$
  B) -$\frac{1}{2}$
  C) $\frac{1}{4}$
  D) $\frac{1}{2}$
  Show Answer
  The correct answer is A .
• Question 489: If the function f(fx) = x³ + 2x² + qx - 6 is divisible by x + 1, find q Options:
  A) -5
  B) -2
  C) 2
  D) 5
  Show Answer
  The correct answer is A .
• Question 490: The chord ST of a circle is equal to the radius, r, of the circle. Find the length of arc ST. Options:
  A) πr/6
  B) πr/2
  C) πr/12
  D) πr/3
  Show Answer
  The correct answer is D .