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 1561: 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 1562:
  

  In the diagram above angle LNM and angle YNZ are represented by g and h respectively. Find∠MNY

  Options:
  A) 180º - gº - hº
  B) 360º - (g-h)º
  C) 180º - (g-h)º
  D) 360º - gº - hº
  Show Answer
  The correct answer is C .
• Question 1563:

  An article when sold for ₦230.00 makes a 15% profit. Find the profit or loss % if it was sold for ₦180.00

  Options:
  A) 10% gain
  B) 10% loss
  C) 12% loss
  D) 12% gain
  Show Answer
  The correct answer is B .
• Question 1564: If X $\ast$ Y = X + Y - XY, find x when (x $\ast$ 2) + (x $\ast$ 3) = 68 Options:
  A) 24
  B) 22
  C) -12
  D) -21
  Show Answer
  The correct answer is D .
• Question 1565:

  

  The shaded portion in the Venn diagram is

  Options:
  A) x $\cap$ z
  B) x${}^{\circ }$ $\cap$ y $\cap$ z
  C) x $\cap$ y${}^{\circ }$ $\cap$ z
  D) x $\cap$ y $\cap$ z${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 1566: Find the point (x, y) on the Euclidean plane where the curve y = 2x² - 2x + 3 has 2 as gradient Options:
  A) (1, 3)
  B) (2, 7)
  C) (0, 3)
  D) (3, 15)
  Show Answer
  The correct answer is A .
• Question 1567: Calculate the mean deviation of the set of numbers 7, 3, 14, 9, 7, and 8. Options:
  A) 13/6
  B) 5/2
  C) 7/6
  D) 7/3
  Show Answer
  The correct answer is D .
• Question 1568:

  Evaluate ${\int }_{-1}^1$(2x + 1)²dx

  Options:
  A) 3$\frac{2}{3}$
  B) 4
  C) 4$\frac{1}{3}$
  D) 4$\frac{2}{3}$
  Show Answer
  The correct answer is D .
• Question 1569:

  What is the place value of 9 in the number 3.0492?

  Options:
  A) $\frac{9}{10000}$
  B) $\frac{9}{1000}$
  C) $\frac{9}{100}$
  D) $\frac{9}{10}$
  Show Answer
  The correct answer is B .
• Question 1570:

  

  The graph above shows the cumulative frequency curve of the distribution of marks in a class test. What percentage of the students scored more than 20 marks?

  Options:
  A) 68%
  B) 28%
  C) 17%
  D) 8%
  Show Answer
  The correct answer is B .