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 1261:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 1262:

  If g(x) = x${}^2$ + 3x find g(x + 1) - g(x)

  Options:
  A) (x + 2)
  B) 2(x + 2)
  C) (2x + 1)
  D) (x² + 4)
  Show Answer
  The correct answer is B .
• Question 1263:

  Find the non-zero positive value of x which satisfies the equation

  $\left[\begin{array}{ccc}x& 1& 0\\ 1& x& 1\\ 0& 1& x\end{array}\right]$ = 0

  Options:
  A) 2
  B) $\sqrt{3}$
  C) $\sqrt{2}$
  D) 1
  Show Answer
  The correct answer is C .
• Question 1264:

  

  In the figure, find the area of XYZW.

  Options:
  A) 60cm²
  B) 54cm²
  C) 27cm²
  D) 54$\sqrt{2}$cm²
  E) 27$\sqrt{2}$cm²
  Show Answer
  The correct answer is C .
• Question 1265:

  Evaluate 2700 000 x 0.03 ÷  18 000

  Options:
  A) 4.5 x 10^o
  B) 4.5 x 10¹
  C) 4.5 x 10²
  D) 4.5 x 10³
  Show Answer
  The correct answer is A .
• Question 1266: Find the inverse $\left|\begin{array}{cc}5& 3\\ 6& 4\end{array}\right|$ Options:
  A) $\left|\begin{array}{cc}2& -\frac{3}{2}\\ -3& -\frac{5}{2}\end{array}\right|$
  B) $\left|\begin{array}{cc}2& -\frac{3}{2}\\ -3& \frac{5}{2}\end{array}\right|$
  C) $\left|\begin{array}{cc}2& \frac{3}{2}\\ -3& \frac{5}{2}\end{array}\right|$
  D) $\left|\begin{array}{cc}2& \frac{3}{2}\\ -3& \frac{5}{2}\end{array}\right|$
  Show Answer
  The correct answer is B .
• Question 1267: The first term of a G.P is 7. Find its 4th term, if its common ratio is 3. Options:
  A) 567
  B) 280
  C) 189
  D) 63
  E) 21
  Show Answer
  The correct answer is C .
• Question 1268: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 1269:

  

  The mean score is

  Options:
  A) 7.0
  B) 8.7
  C) 9.5
  D) 11.0
  Show Answer
  The correct answer is B .
• Question 1270: Find the equation of a line which is from the origin and passes through the point (−3, −4) Options:
  A) y = $\frac{3x}{4}$
  B) y = $\frac{4x}{3}$
  C) y = $\frac{2x}{3}$
  D) y = $\frac{x}{2}$
  Show Answer
  The correct answer is B .