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 1441: if P and Q are fixed points and X is a point which moves so that XP = XQ, the locus of X is Options:
  A) A straight line
  B) a circle
  C) the bisector of angle PXQ
  D) the perpendicular bisector of PQ
  Show Answer
  The correct answer is D .
• Question 1442: Evaluate 1.25 × 102 × 0.125 × 103 × 12.5 × 10^-4 leaving your answer in standard form Options:
  A) 1.995 × 10³
  B) 1.95 × 10²
  C) 1.95 × 10¹
  D) 1.95 × 10^-2
  E) 1.95 × 10^-3
  Show Answer
  The correct answer is C .
• Question 1443:

  

  In the figure, PQRS is a square of sides 8cm. What is the area of $△$UVW?

  Options:
  A) 64 sq. cm
  B) 40 sq.cm
  C) 50 sq.cm
  D) 10 sq.cm
  Show Answer
  The correct answer is D .
• Question 1444: Evaluate 21.05347 - 1.6324 x 0.43 to 3 decimal places Options:
  A) 20.980
  B) 20.351
  C) 20.981
  D) 20.352
  Show Answer
  The correct answer is D .
• Question 1445: make U the subject of the formula S = $\sqrt{\frac{6}{u}-\frac{w}{2}}$ Options:
  A) u = $\frac{12}{2s^2}$
  B) u = $\frac{12}{2s+w}$
  C) u = $\frac{12}{2s^2+w}$
  D) u = $\frac{12}{2s^2}$ + w
  Show Answer
  The correct answer is C .
• Question 1446: Find the derivatives of (2 + 3x)(1 - x) with respect to x Options:
  A) 6
  B) -3
  C) 1 - 6x
  D) 6x - 1
  Show Answer
  The correct answer is C .
• Question 1447:

  

  The diagram above is the graph of the function f(x). Determine the range of values of x for which f(x) $\ge$ 0.

  Options:
  A) x $\ge$ 2
  B) 0 $\ge$ x $\ge$ 2
  C) -2 $\ge$ x $\ge$ 0, x $\le$ 2
  D) x $\ge$ -2, 0 $\ge$ x $\ge$ 2
  Show Answer
  The correct answer is C .
• Question 1448: Convert 3.1415926 to 5 decimal places Options:
  A) 3.14160
  B) 3.14159
  C) 0.31415
  D) 3.14200
  Show Answer
  The correct answer is B .
• Question 1449: Evaluate $\frac{21}{9}$ to 3 significant figures Options:
  A) 2.30
  B) 2.31
  C) 2.32
  D) 2.33
  Show Answer
  The correct answer is D .
• Question 1450: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .