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 1281: If $\frac{t}{1}$ = $\sqrt{(\frac{4{\pi }^2}{g}})$, what is the value of g when I = 4.5; t = 5 secs Options:
  A) 3.20 ms²
  B) 11.31 ms²
  C) 32.00 ms²
  D) 56.57 ms²
  E) 160.00 ms²
  Show Answer
  The correct answer is C .
• Question 1282: A woman bought a grinder for ₦60,000. She sold it at a loss of 15%. How much did she sell it? Options:
  A) ₦53,000
  B) ₦52,000
  C) ₦51,000
  D) ₦50,000
  Show Answer
  The correct answer is C .
• Question 1283: Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2950, find y. Options:
  A) 51
  B) 48
  C) 30
  D) 25
  E) 18
  Show Answer
  The correct answer is C .
• Question 1284: Resolve $\frac{3}{x^2+x-2}$ into partial fractions Options:
  A) $\frac{1}{x-1}+\frac{1}{x+2}$
  B) $\frac{1}{x+1}+\frac{1}{x-2}$
  C) $\frac{1}{x+1}-\frac{1}{x-2}$
  D) $\frac{1}{x-2}+\frac{1}{x+2}$
  Show Answer
  The correct answer is A .
• Question 1285: If y varies inversely as x², how does x vary with y? Options:
  A) x varies inversely as y²
  B) x varies inversely as $\sqrt{y}$
  C) x varies directly as y²
  D) x varies directly as $\sqrt{y}$
  E) x varies directly as y
  Show Answer
  The correct answer is B .
• Question 1286: Find the locus of a point which moves such that its distance from the line y = 4 is a constant, k. Options:
  A) y = k + or - 4
  B) y = 4 + or - k
  C) y = 4 + k
  D) y = k - 4
  Show Answer
  The correct answer is A .
• Question 1287:

  Find the distance between the points (-2, -3) and (-2, 4).

  Options:
  A) 3.0m
  B) 2.4m
  C) 3.2m
  D) 7.0m
  Show Answer
  The correct answer is D .
• Question 1288: 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 1289: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 1290: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .