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 1631: What is the value of x satisfying the equation $\frac{4^{2x}}{4^{3x}}$ = 2? Options:
  A) -2
  B) -$\frac{1}{2}$
  C) $\frac{1}{2}$
  D) 2
  Show Answer
  The correct answer is B .
• Question 1632: Find the coordinates of the mid-point of x and y intercepts of the line 2y = 4x - 8 Options:
  A) (2, 0)
  B) (1, -2)
  C) (-1, -2)
  D) (1, 2)
  Show Answer
  The correct answer is B .
• Question 1633:

  

  Find the value of x in the diagram.

  Options:
  A) 50^o
  B) 60^o
  C) 70^o
  D) 80^o
  Show Answer
  The correct answer is C .
• Question 1634:

  

  In an examination, the result of a certain school is as shown in the histogram above. How many candidates did the school present?

  Options:
  A) 12
  B) 16
  C) 18
  D) 19
  Show Answer
  The correct answer is D .
• Question 1635: Find the square root of 170 - 20$\sqrt{30}$ Options:
  A) 2 $\sqrt{10}$ - 5$\sqrt{3}$
  B) 2 $\sqrt{5}$ - 5$\sqrt{6}$
  C) 5 $\sqrt{10}$ - 2$\sqrt{3}$
  D) 3 $\sqrt{5}$ - 8$\sqrt{6}$
  Show Answer
  The correct answer is B .
• Question 1636:

  Evaluate ${}^{n^2+1}$C${}_{n+5}$ if n = 3

  Options:
  A) 55
  B) 45
  C) 35
  D) 25
  Show Answer
  The correct answer is B .
• Question 1637: Rationalize the denominator of the expression $\frac{6+2\sqrt{5}}{4-3\sqrt{6}}$ Options:
  A) $\frac{12+4\sqrt{5+7}5+6\sqrt{3}}{39}$
  B) $\frac{-24+18\sqrt{6+8}5+6\sqrt{30}}{39}$
  C) $\frac{24+3\sqrt{6+8}5+6\sqrt{30}}{19}$
  D) $\frac{-15+3\sqrt{5+18}5+6\sqrt{30}}{36}$
  Show Answer
  The correct answer is B .
• Question 1638:

  The ages of students in a small primary school were recorded in the table below.

  Age	5 - 6	7 - 8	9 -10
  Frequency	29	40	38

  
  Estimate the mean

  Options:
  A) 7.7
  B) 7.5
  C) 7.8
  D) 7.6
  Show Answer
  The correct answer is A .
• Question 1639: A trapezium has two parallel sides of length 5cm and 9cm. If the area is 21cm², find the distance between the parallel sides Options:
  A) 3 cm
  B) 4 cm
  C) 6 cm
  D) 7 cm
  Show Answer
  The correct answer is A .
• Question 1640: (1.28 x 10⁴) + (6.4 x 10²) equals Options:
  A) 2 x 10^-5
  B) 2 x 10^-1
  C) 2 x 10¹
  D) 2 x 10^-4
  Show Answer
  The correct answer is C .