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 1351: Find correct to 3 decimal places ($\frac{1}{0.05}$ + $\frac{1}{5.005}$) - (0.05 x 2.05) Options:
  A) 99.998
  B) 98.999
  C) 89.899
  D) 9.998
  Show Answer
  The correct answer is A .
• Question 1352: In a school, 220 students offer Biology or Mathematics or both. 125 offer Biology and 110 mathematics. How many offer Biology but not Mathematics? Options:
  A) 95
  B) 80
  C) 125
  D) 110
  Show Answer
  The correct answer is D .
• Question 1353:

  If $\frac{x}{a+1}$ + $\frac{y}{b}$ = 1. Make y the subject of the relation.

  Options:
  A) $\frac{b(a+1-x)}{a+1}$
  B) $\frac{a+1}{b(a-x+1)}$
  C) $\frac{a(b-x+1)}{b+1}$
  D) $\frac{b}{a(b-x+1)}$
  Show Answer
  The correct answer is A .
• Question 1354: 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 .
• Question 1355: If it is given that 5^{x + 1} + 5^x = 150, then the value of x is equal to Options:
  A) 3
  B) 4
  C) 1
  D) 2
  E) $\frac{1}{2}$
  Show Answer
  The correct answer is D .
• Question 1356: Which of the following is a factor of rs + tr - pt - ps? Options:
  A) (p - s)
  B) (s - p)
  C) r - p)
  D) r + p)
  Show Answer
  The correct answer is C .
• Question 1357: If y varies directly as the square root of x and y = 3 when x = 16. Calculate y when x = 64 Options:
  A) 12
  B) 6
  C) 3
  D) 5
  Show Answer
  The correct answer is B .
• Question 1358: 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 1359: What is the probability that an integer x,(1 $\le$ x $\le$ 20) chosen at random is divisible by both 2 and 3? Options:
  A) 1/20
  B) 1/3
  C) 3/20
  D) 7/10
  Show Answer
  The correct answer is C .
• Question 1360: A man made a profit of 5% when he sold an article for N60,000.00. How much would he have sell the article to make a profit of 26% Options:
  A) N68,000
  B) N72,000
  C) N65,000
  D) N70,000
  Show Answer
  The correct answer is B .