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 1061: An arc of a circle subtends an angle 70^o at the centre. If the radius of the circle is 6cm, calculate the area of the sector subtended by the given angle.($\pi$ = $\frac{22}{7}$) Options:
  A) 22cm²
  B) 44cm²
  C) 66cm²
  D) 88cm²
  Show Answer
  The correct answer is A .
• Question 1062: Differentiate sin x - x cos x Options:
  A) x cos x
  B) x sin x
  C) -x cos x
  D) -x sin x
  Show Answer
  The correct answer is B .
• Question 1063: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 1064: A man bought a car for ₦800 and sold it for ₦520. Find his loss per cent Options:
  A) 15%
  B) 25%
  C) 35%
  D) 10%
  Show Answer
  The correct answer is C .
• Question 1065: A binary operation $\oplus$ is defines on the set of all positive integers by a $\oplus$ b = ab for all positive integers a, b. Which of the following properties does NOT hold? Options:
  A) closure
  B) identity
  C) positive
  D) inverse
  Show Answer
  The correct answer is D .
• Question 1066:

  I. Rectangular bars of equal width

  II. The height of each rectangular bar is proportional to the frequency of the corresponding class interval.

  III. Rectangular bars have common sides with no gaps in between

  A histogram is described completely by

  Options:
  A) I, II and III
  B) I and II
  C) II and III
  D) I and III
  Show Answer
  The correct answer is A .
• Question 1067:

  I.S∩T∩W=S II. S∪T∪W=S

  III. T∩W=S

  If S⊂T⊂W, which of the above statements are true?

  Options:
  A) I and II
  B) I and III
  C) II and III
  D) I, II and III
  Show Answer
  The correct answer is D .
• Question 1068: If x varies directly as square root of y and x = 81 when y = 9, Find x when y = 1$\frac{7}{9}$ Options:
  A) 20$\frac{1}{4}$
  B) 27
  C) 2$\frac{1}{4}$
  D) 36
  Show Answer
  The correct answer is D .
• Question 1069: A man covered a distance of 50 miles on his first trip, on a later trip he traveled 300 miles while going 3 times as fast. His new time compared with the old distance was? Options:
  A) three times as much
  B) the same
  C) twice as much
  D) half as much
  Show Answer
  The correct answer is C .
• Question 1070:

  

  In the figure, the area of the shaded segment is

  Options:
  A) 3$\pi$
  B) 9$\frac{\sqrt{3}}{4}$
  C) 3 $\pi -3\frac{\sqrt{3}}{4}$
  D) $\frac{(\sqrt{3-\pi )}}{4}$
  E) $\pi +\frac{9\sqrt{3}}{4}$
  Show Answer
  The correct answer is C .