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 1341: A square tile has side 30cm. How many of these tiles will cover a rectangular floor of length 7.2m and width 4.2? Options:
  A) 336
  B) 420
  C) 576
  D) 720
  Show Answer
  The correct answer is A .
• Question 1342: If P = {1,2,3,4,5} and P $\cup$ Q = {1,2,3,4,5,6,7}, list the elements in Q Options:
  A) {6}
  B) {7}
  C) {6,7}
  D) {5,6}
  Show Answer
  The correct answer is C .
• Question 1343: The length L of a simple pendulum varies directly as the square of its period T. If a pendulum with period 4 sec. is 64 cm long, find the length of pendulum whose period is 9 sec Options:
  A) 96 cm
  B) 324 cm
  C) 36 cm
  D) 144 cm
  Show Answer
  The correct answer is B .
• Question 1344: 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 1345: From two points x and y, 8m apart, and in line with a pole, the angle of elevation of the top of the pole are 30^o and 60^o respectively. Fins the height of the pole assuming that x, y and the foot of the pole are the same horizontal plane and x and y are on the same side of the pole. Options:
  A) $\sqrt{6}$
  B) 4$\sqrt{3}$
  C) $\sqrt{3}$
  D) $\frac{12}{\sqrt{3}}$
  Show Answer
  The correct answer is B .
• Question 1346: The radius of a circle is increasing at the rate of 0.02cms^-1. Find the rate at which the area is increasing when the radius of the circle is 7cm. Options:
  A) 0.75cm²S^-1
  B) 0.53cm²S^-1
  C) 0.35cm²S^-1
  D) 0.88cm²S^-1
  Show Answer
  The correct answer is D .
• Question 1347:

  

  In the diagram, EFGH is a circle centre O. FH is a diameter and GE is a chord which meets FH at right angle at the point N. If NH = 8cm and EG = 24cm, calculate FH

  Options:
  A) 32cm
  B) 26cm
  C) 20cm
  D) 16cm
  Show Answer
  The correct answer is B .
• Question 1348:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 1349:

  Evaluate: 16${}^{0.16}$ × 16${}^{0.04}$ × 2${}^{0.2}$

  Options:
  A) 2
  B) 0
  C) 2${}^0$
  D) $\frac{1}{2}$
  Show Answer
  The correct answer is A .
• Question 1350: 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 .