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 1531:

  

  In the diagram above, EFGH is a circle center O. Fh is a diameter and GE is a chord which meets FH at right angle at the point N. If NH = 8cm and EG = 24cm, calculate FH.

  Options:
  A) 16 cm
  B) 20 cm
  C) 26 cm
  D) 32 cm
  Show Answer
  The correct answer is D .
• Question 1532:

  find the value of p if the line which passes through (-1, -p) and (-2,2) is parallel to the line 2y+8x-17=0?

  Options:
  A) $\frac{-2}{7}$
  B) $\frac{7}{6}$
  C) $\frac{-6}{7}$
  D) 2
  Show Answer
  The correct answer is D .
• Question 1533:

  Marks	1	2	3	4	5
  Frequency	2y - 2	y - 1	3y - 4	3 - y	6 - 2y

  The table above is the distribution of data with mean equals to 3. Find the value of y.

  Options:
  A) 5
  B) 2
  C) 3
  D) 6
  Show Answer
  The correct answer is B .
• Question 1534: Express 37.05 x 0.0042 in standard form Options:
  A) 15.561 x 10²
  B) 1.5561 x 10^-4
  C) 1.556 x 10^-1
  D) 1.5561 x 10¹
  E) 1.55 x 10¹
  Show Answer
  The correct answer is C .
• Question 1535: In how many ways can a committee of 2 women and 3 men be chosen from 6 men and 5 women? Options:
  A) 100
  B) 200
  C) 30
  D) 50
  Show Answer
  The correct answer is B .
• Question 1536:

  

  In the figure, if XZ is 10cm, calculate RY in cm.

  Options:
  A) 10
  B) 10(1 - $\frac{1}{\sqrt{3}}$)
  C) 10(1 - $\frac{1}{\sqrt{2}}$)
  D) 10[1 - $\sqrt{3}$]
  Show Answer
  The correct answer is B .
• Question 1537: The sum to infinity of the series: 1 + (1/3) + (1/9) + (1/27) + ... is Options:
  A) 11/3
  B) 10/3
  C) 5/2
  D) 3/2
  Show Answer
  The correct answer is D .
• Question 1538:

  A binary operation $\oplus$ on real numbers is defined by x $\oplus$ y = xy + x + y for any two real numbers x and y. The value of (-$\frac{3}{4}$) $\oplus$ 6 is

  Options:
  A) -$\frac{3}{4}$
  B) $\frac{45}{4}$
  C) -$\frac{4}{3}$
  D) $\frac{3}{4}$
  Show Answer
  The correct answer is A .
• Question 1539: Simplify $\frac{1}{5x+5}$ + $\frac{1}{7x+7}$ Options:
  A) $\frac{12}{35x+1}$
  B) $\frac{1}{35(x+1)}$
  C) $\frac{12x}{35(x+7)}$
  D) $\frac{12}{35x+35}$
  Show Answer
  The correct answer is A .
• Question 1540: If $\frac{1+\sqrt{2}}{1-\sqrt{2}}$ is expressed in the form x + y$\sqrt{2}$. Find the values of x and y Options:
  A) (-3, -2)
  B) (-2, 3)
  C) (3, 2)
  D) (2, -3)
  Show Answer
  The correct answer is A .