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 651: x is a point due east of point Y on a coast Z is another point on the coast but 63m due south of y. If the distance ZX is 12Km. Calculate the bearing of Z from X Options:
  A) 240^o
  B) 210^o
  C) 150^o
  D) 60^o
  Show Answer
  The correct answer is B .
• Question 652: Five people are to be arranged in a row for a group photograph. How many arrangements are the if a married couple in the group insist on sitting next to each other? Options:
  A) 48
  B) 24
  C) 20
  D) 10
  Show Answer
  The correct answer is C .
• Question 653: Find the derivative of $y=\frac{x^7-x^5}{x^4}$ Options:
  A) x(x²-1)
  B) 3x(x²-1)
  C) 3x²-1
  D) 7x⁶-5x⁴
  Show Answer
  The correct answer is C .
• Question 654: If the function f is defined by f(x + 2) = 2x² + 7x = 5, find f(-1) Options:
  A) -10
  B) -8
  C) 4
  D) 10
  Show Answer
  The correct answer is B .
• Question 655:

  Find the probability that a number selected at random from 40 to 50 is a prime.

  Options:
  A) $\frac{3}{11}$
  B) $\frac{5}{11}$
  C) $\frac{3}{11}$
  D) $\frac{4}{11}$
  Show Answer
  The correct answer is C .
• Question 656: The volume of a hemispherical bowl is 718$\frac{2}{3}$ cm³. Find its radius. Options:
  A) 4.0cm
  B) 7.0cm
  C) 3.8cm
  D) 5.6cm[$\pi$ = $\frac{22}{7}$]
  Show Answer
  The correct answer is B .
• Question 657: What must be added to b²-3ab to make it a perfect square? Options:
  A) -3a
  B) -$\frac{3}{2}$
  C) $\frac{9}{4}$
  D) $\frac{9a}{4}$
  E) $\frac{9^2}{4}$
  Show Answer
  The correct answer is E .
• Question 658: Two lines PQ and ST intersect at 75${}^{\circ }$. The locus of points equidistant from PQ and ST lies on the Options:
  A) perpendicular bisector of PQ
  B) perpendicular bisector of ST
  C) bisector of the angles between lines PQ and ST
  D) bisector of the sngels between lines PT and Qs
  Show Answer
  The correct answer is C .
• Question 659: calculate the simple interest on N6,500 for 8 years at 5% per annum. Options:
  A) N3,000
  B) N600
  C) N300
  D) N150
  Show Answer
  The correct answer is A .
• Question 660: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .