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 1641: 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 1642:

  

  PQ is parallel to RS. Calculate the value of x.

  Options:
  A) 20${}^{\circ }$
  B) 40${}^{\circ }$
  C) 60${}^{\circ }$
  D) 80${}^{\circ }$
  E) 100${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1643: What is the number whose logarithm to base 10 is 2.3482? Options:
  A) 223
  B) 2228
  C) 2.235
  D) 22.37
  E) 0.2229
  Show Answer
  The correct answer is E .
• Question 1644: What is the Value Of 11101${}_{two}$+ 10011${}_{two}$ - 10001${}_{two}$ Options:
  A) 10001${}_{two}$
  B) 10011${}_{two}$
  C) 10111${}_{two}$
  D) 11111${}_{two}$
  E) 111111${}_{two}$
  Show Answer
  The correct answer is E .
• Question 1645: Solve for x and y if x - y = 2 and x² - y² = 8 Options:
  A) (-1, 3)
  B) (3, 1)
  C) (-3, 1)
  D) (1, 3)
  Show Answer
  The correct answer is B .
• Question 1646:

  

  The diagram above is the graph of y = x², the shaded area is

  Options:
  A) 64 square units
  B) ¹²⁸/₃ square units
  C) ⁶⁴/₃ square units
  D) 32 square units
  Show Answer
  The correct answer is C .
• Question 1647:

  

  In the diagram MN is a chord of a circle KMN centre O and radius 10cm. If < MON = 140^o, find, correct to the nearest cm, the length of the chord MN.

  Options:
  A) 19cm
  B) 18cm
  C) 17cm
  D) 12cm
  Show Answer
  The correct answer is A .
• Question 1648: The annul profits of a transport business were divided between the partners A and B in the ratio 3 : 5. If B received ₦3000 more than A, the total profit was Options:
  A) ₦5000
  B) ₦1800
  C) ₦12000
  D) ₦24000
  E) ₦8000
  Show Answer
  The correct answer is C .
• Question 1649: Solve the equation (x - 2) (x - 3) = 12 Options:
  A) 2, 3
  B) 3, 6
  C) -1, 6
  D) 1, -6
  Show Answer
  The correct answer is C .
• Question 1650: Simplify $\frac{lo{g}_{10}8}{lo{g}_{10}4}$ Options:
  A) log10²
  B) log10⁴
  C) $\frac{3}{2}$
  D) 2
  E) None of the above
  Show Answer
  The correct answer is C .