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 1461:

  Simplify (1 + $\frac{\frac{x-1}{1}}{\frac{1}{x+1}}$)(x + 2)

  Options:
  A) (x² - 1)(x + 2)
  B) x²(x + 2)
  C) x² + 34
  D) $\frac{3x^2-1}{(x-1)}$
  Show Answer
  The correct answer is B .
• Question 1462:

  Three times a certain number (x), minus 2 is less than the number minus 6.Find the possible values of x.

  Options:
  A) x <-2
  B) x>2
  C) x>-2
  D) x<2
  Show Answer
  The correct answer is A .
• Question 1463: Find the value of m if 13_m + 24_m = 41_m Options:
  A) 8
  B) 6
  C) 5
  D) 2
  Show Answer
  The correct answer is B .
• Question 1464:

  Find the variance of the numbers k, k+1, k+2.

  Options:
  A) $\frac{2}{3}$
  B) 1
  C) k + 1
  D) (k + 1)²
  Show Answer
  The correct answer is A .
• Question 1465: If it is given that 5^{x + 1} + 5^x = 150, then the value of x is equal to Options:
  A) 3
  B) 4
  C) 1
  D) 2
  E) $\frac{1}{2}$
  Show Answer
  The correct answer is D .
• Question 1466: Find the tax on an income of N20,000 if no tax is paid on the first N10,000 and tax is paid at N50 in N1000 on the next N5000 and at N55 in N1000 on the remainder Options:
  A) N500
  B) N552
  C) N255
  D) N525
  Show Answer
  The correct answer is D .
• Question 1467: If x varies directly as √n and x = 9 when n = 9, find x when n = (17/9) Options:
  A) 4
  B) 27
  C) √3
  D) √17
  Show Answer
  The correct answer is D .
• Question 1468:

  

  The area under the speed time graph given the total distance covered by car. What is the average velocity to two places of decimals?

  Options:
  A) 17.72 meter/sec.
  B) 21.67 meters/sec
  C) 2.5 meter/sec.
  D) 20.45 meters/sec.
  E) 13.33 meter/sec.
  Show Answer
  The correct answer is D .
• Question 1469: The probability that a student passes a physics test is $\frac{2}{3}$. If he takes three physics tests, what is the probability that he passes two of the tests? Options:
  A) $\frac{2}{27}$
  B) $\frac{3}{27}$
  C) $\frac{4}{27}$
  D) $\frac{5}{3}$
  Show Answer
  The correct answer is C .
• Question 1470: If | 2 3 | = | 4 1 |. find the value of y. 7 Options:
  A) -6
  B) 6
  C) -12
  D) 12
  Show Answer
  The correct answer is A .