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 1271: Determine the value of ${\int }_0^{\frac{\pi }{2}}$ (-2 cosx)dx Options:
  A) -$\frac{3}{2}$
  B) -$\frac{1}{2}$
  C) -2
  D) -3
  Show Answer
  The correct answer is C .
• Question 1272: Simplify 213₄ x 23₄ Options:
  A) 10311₄
  B) 10321₄
  C) 12231₄
  D) 13211₄
  Show Answer
  The correct answer is C .
• Question 1273: The mean of 2 - 4, 4 + t, 3 - 2t and t - 1 is Options:
  A) t
  B) -t
  C) 2
  D) -2
  Show Answer
  The correct answer is C .
• Question 1274:

  

  The value x in the figure given is

  Options:
  A) 110${}^{\circ }$
  B) 100${}^{\circ }$
  C) 70${}^{\circ }$
  D) 130${}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 1275:

  Divide 1101001${}_{two}$ by 101${}_{two}$

  Options:
  A) 11101${}_{two}$
  B) 111${}_{two}$
  C) 10111${}_{two}$
  D) 10101${}_{two}$
  Show Answer
  The correct answer is D .
• Question 1276:

  Find the median of 5, 9, 1, 10, 3, 8, 9, 2, 4, 5, 5, 5, 7, 3 and 6

  Options:
  A) 6
  B) 5
  C) 4
  D) 3
  Show Answer
  The correct answer is B .
• Question 1277: Find the standard deviation of 2, 3, 5 and 6 Options:
  A) √6
  B) √10
  C) √$\frac{2}{5}$
  D) √$\frac{5}{2}$
  Show Answer
  The correct answer is D .
• Question 1278:

  Find the value of y if ${402}_y={102}_{ten}$

  Options:
  A) 4
  B) 2
  C) 5
  D) 3
  Show Answer
  The correct answer is C .
• Question 1279: If y varies directly as $\sqrt{n}$ and y = 4 when n = 4, find y when n = 1$\frac{7}{9}$ Options:
  A) $\sqrt{17}$
  B) $\frac{4}{3}$
  C) $\frac{8}{3}$
  D) $\frac{2}{3}$
  Show Answer
  The correct answer is C .
• Question 1280:

  

  The cumulative frequency curve represents the ages of ages of students in a school. What age group do 70% of the students belongs?

  Options:
  A) 17.5 - 20.5
  B) 16.5 - 19.5
  C) 15.5 - 19.5
  D) 15.5 - 18.5
  Show Answer
  The correct answer is A .