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 1381:

  A man stands on a tree 150cm high and sees a boat at an angle of depression of 74°. Find the distance of the boat from the base of the tree.

  Options:
  A) 52cm
  B) 43cm
  C) 40cm
  D) 15cm
  Show Answer
  The correct answer is B .
• Question 1382: If x * y = x + y², find then value of (2*3)*5 Options:
  A) 36
  B) 25
  C) 11
  D) 55
  Show Answer
  The correct answer is A .
• Question 1383: What is the circumference of latitude 0^oS if R is the radius of the earth? Options:
  A) R cos$\theta$
  B) 2$\pi$ R cos $\theta$
  C) R sin $\theta$
  D) 2$\pi$ R sin $\theta$
  Show Answer
  The correct answer is B .
• Question 1384:

  

  Find the value of x in the diagram.

  Options:
  A) 50^o
  B) 60^o
  C) 70^o
  D) 80^o
  Show Answer
  The correct answer is C .
• Question 1385: the derivative of cosec x is Options:
  A) tan x cosec x
  B) -cot x cosec x
  C) tan x sec x
  D) -cot x sec x
  Show Answer
  The correct answer is B .
• Question 1386: What must be added to 4x² - 4 to make it a perfect square? Options:
  A) $\frac{-1}{x^2}$
  B) $\frac{1}{x^2}$
  C) 1
  D) -1
  Show Answer
  The correct answer is B .
• Question 1387:

  Reach each number to two significant figures and then evaluate $\frac{0.02174\times 1.2047}{0.023789}$

  Options:
  A) 0
  B) 0.9
  C) 1.1
  D) 1.2
  Show Answer
  The correct answer is C .
• Question 1388:

  i. S∩T∩W = S
  ii. S∪T∪W = W
  ii. T∩W = S

  If S$\subset$T$\subset$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 B .
• Question 1389: What is the locus of the mid-points of all chords of length 6cm within a circle of radius 5cm and with centre 0 Options:
  A) A circle of radius 4 cm and with centre O
  B) The perpendicular bisector of the chords
  C) a straight line passing through centre O
  D) A circle of radius 6 cm and with centre O
  Show Answer
  The correct answer is A .
• Question 1390: The amount A to which a principal P amounts at r% compound interest for n years is given by the formula A = P(1 + (r ÷ 100))n. Find A, if P = 126, r = 4 and n = 2. Options:
  A) ₦132.50K
  B) ₦136.30K
  C) ₦125.40K
  D) ₦257.42K
  Show Answer
  The correct answer is B .