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 1651: Simplify ¾½$6\frac{1}{12}-2¾+1½$ Options:
  A) $3\frac{5}{6}$
  B) $4\frac{5}{6}$
  C) $2\frac{1}{6}$
  D) $\frac{1}{3}$
  Show Answer
  The correct answer is B .
• Question 1652: Integrate $\frac{1}{x}$ + cos x with respect to x Options:
  A) -$\frac{1}{x^2}$ + sin x + k
  B) x + sin x - k
  C) x - sin x + k
  D) -$\frac{1}{x^2}$ - sin x + k
  Show Answer
  The correct answer is C .
• Question 1653: A particle p moves between points S and T such that angle SPT is always constant. Find the locus of P. Options:
  A) it is a straight line perpendicular to ST.
  B) it is a quadrant of a circle with ST as diameter
  C) it is a perpendicular bisector of ST
  D) it is a semi-circle with ST as diameter
  Show Answer
  The correct answer is D .
• Question 1654: If ₦560.70 is shared in the ratio 7 : 2 : 1, what is the smallest share? Options:
  A) ₦392.49
  B) ₦56.70
  C) ₦113.40
  D) ₦112.14
  E) ₦56.07
  Show Answer
  The correct answer is E .
• Question 1655:

  What will be the result obtained when the numerator of $\frac{96}{50}$ is decreased by 37.5% and its denominator decreased by 20%.

  Options:
  A) 1.5
  B) $\frac{5}{2}$
  C) $\frac{96}{48}$
  D) 0.5
  Show Answer
  The correct answer is A .
• Question 1656:

  

  In the figure, the line segment ST is tangent to two circles at S and T. O and Q are the centres of the circles with OS = 5cm. QT = 2cm and OR = 14cm. Find ST

  Options:
  A) 7 $\sqrt{3}$cm
  B) 12.9cm
  C) $\sqrt{87}$cm
  D) 7cm
  Show Answer
  The correct answer is B .
• Question 1657: Evaluate ∫${}_2^{\pi }$(sec² x - tan²x)dx Options:
  A) $\frac{\pi }{2}$
  B) $\pi$ - 2
  C) $\frac{\pi }{3}$
  D) $\pi$ + 2
  Show Answer
  The correct answer is B .
• Question 1658: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number Options:
  A) 2
  B) 3
  C) 4
  D) 5
  E) 6
  Show Answer
  The correct answer is B .
• Question 1659: Solve the following equation $\frac{2}{2r-1}$ - $\frac{5}{3}$ = $\frac{1}{r+2}$ Options:
  A) ($\frac{5}{2}$, 1)
  B) (5, -4)
  C) (2, 1)
  D) (1, $\frac{-5}{2}$)
  E) ($\frac{-5}{2}$, 1)
  Show Answer
  The correct answer is D .
• Question 1660: If log₁₀2 = 0.3010 and log₁₀7 = 0.8451, evaluate log₁₀280 Options:
  A) 3.4471
  B) 2.4471
  C) 1.4471
  D) 1.4071
  Show Answer
  The correct answer is B .