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:

  Find the equation of the line through (5,7) parallel to the line 7x + 5y = 12.

  Options:
  A) 5x + 7y = 20
  B) 7x + 5y = 70
  C) xy = 7
  D) 15x + 17y = 90
  Show Answer
  The correct answer is B .
• Question 1462: If 3^2y + 6(3^y) = 27. Find y Options:
  A) 3
  B) -1
  C) 2
  D) -3
  E) 1
  Show Answer
  The correct answer is E .
• Question 1463: The number 25 when when converted from the tens and units base to the binary base (base two) is one of the following Options:
  A) 10011
  B) 111011
  C) 111000
  D) 11001
  E) 110011
  Show Answer
  The correct answer is D .
• Question 1464:

  Find the value of x and y in the simultaneous equation: 3x + y = 21; xy = 30

  Options:
  A) x = 3 or 7, y = 12 or 8
  B) x = 6 or 1, y = 11 or 5
  C) x = 2 or 5, y = 15 or 6
  D) x = 1 or 5, y = 10 or 7
  Show Answer
  The correct answer is C .
• Question 1465: Find the value of k if y - 1 is a factor of y³ + 4y² + ky - 6 Options:
  A) -6
  B) -4
  C) O
  D) 1
  Show Answer
  The correct answer is D .
• Question 1466: If (g(y)) = $\frac{y-3}{11}$ + $\frac{11}{y^2-9}$. what is g(y + 3)? Options:
  A) $\frac{y}{11}+\frac{11}{y(y+6)}$
  B) $\frac{y}{11}+\frac{11}{y(y+3)}$
  C) $\frac{y+30}{11}+\frac{11}{y(y+3)}$
  D) $\frac{y+3}{11}+\frac{11}{y(y-6)}$
  Show Answer
  The correct answer is A .
• Question 1467: If P is a set of all prime factors of 30 and Q is a set of all factors of 18 less than 10, find P $\cap$ Q Options:
  A) {3}
  B) {2,3}
  C) {2,3,5}
  D) {1,2}
  Show Answer
  The correct answer is B .
• Question 1468: At what value of x does the function y= -3 – 2x +x2 attain a minimum value? Options:
  A) 4
  B) 2
  C) -1
  D) -4
  E) 1
  Show Answer
  The correct answer is E .
• Question 1469: Find the inverse of p under the binary operation * defined by p*q = p + q - pq, where p and q are real numbers and zero is the identity Options:
  A) p
  B) p -1
  C) p/(p-1)
  D) p/(p+1)
  Show Answer
  The correct answer is C .
• Question 1470: A sector of a circle is bounded by two radii 7cm long and an arc length 6cm. Find the area of the sector. Options:
  A) 42cm²
  B) 3cm²
  C) 21cm²
  D) 24cm²
  E) 12cm²
  Show Answer
  The correct answer is C .