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 121: A woman buys 270 oranges for ₦1800.00 and seels at 5 for ₦40.00. What is her profit? Options:
  A) ₦2,160.00
  B) ₦1, 620.00
  C) ₦630.00
  D) ₦360.00
  Show Answer
  The correct answer is D .
• Question 122: P is a point on one side of the straight line UV and P moves in the same direction as UV. If the straight line ST is on the locus of P and angle VUS = 60°, find angle UST. Options:
  A) 310°
  B) 130°
  C) 80°
  D) 50°
  Show Answer
  The correct answer is B .
• Question 123:

  Given that the various faces of a fair dice 1, 2, 3, 4, 5, 6 appeared 30, 43, 54, 40, 41, 32 times respectively in a single toss. Picture the figures as being represented in a simple table with number (X) against frequency (f).

  If a pie chart is used to depict the data, the angle corresponding to 4 is?

  Options:
  A) 10°
  B) 16°
  C) 40°
  D) 60°
  Show Answer
  The correct answer is D .
• Question 124:

  

  The shaded area represents

  Options:
  A) x $\le$ 0, y $\le$ 0, 2y + 3x $\le$ 6
  B) x $\ge$ 0, y $\ge$ 3, 3x + 2y $\ge$ 6
  C) x $\ge$ 2, y $\ge$ 0, 3x + 2y $\le$ 6
  D) x $\ge$ 0, y $\ge$ 0, 3x + 2y $\ge$ 6
  Show Answer
  The correct answer is A .
• Question 125:

  If sin $\theta$ = $\frac{x}{y}$ and 0^o < 90^o, then find $\frac{1}{tan\theta }$.

  Options:
  A) $\frac{x}{\sqrt{y^2-x^2}}$
  B) $\frac{y}{x}$
  C) $\frac{\sqrt{y^2+x^2}}{y^2-x^2}$
  D) $\frac{y^2-x^2}{x}$
  Show Answer
  The correct answer is D .
• Question 126: Find the number of ways of selecting 6 out of 10 subjects for an examination Options:
  A) 128
  B) 216
  C) 215
  D) 210
  Show Answer
  The correct answer is D .
• Question 127:

  

  In the diagram < OPQ is

  Options:
  A) 90${}^{\circ }$
  B) 53${}^{\circ }$
  C) 36${}^{\circ }$
  D) 26${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 128: Find the number of sides of a regular polygon whose interior angle is twice the exterior angle. Options:
  A) 6
  B) 2
  C) 3
  D) 8
  Show Answer
  The correct answer is A .
• Question 129: The locus of a point equidistant from the intersection of lines 3x - 7y + 7 = 0 and 4x - 6y + 1 = 0 is a Options:
  A) line parallel to 7x + 13y + 8 = 0
  B) circle
  C) semicircle
  D) bisector of the line 7x + 13y + 8 = 0
  Show Answer
  The correct answer is A .
• Question 130: If the variance of 3+x, 6, 4, x and 7-x is 4 and the mean is 5, find the standard deviation Options:
  A) $\sqrt{3}$
  B) 2
  C) 3
  D) $\sqrt{2}$
  Show Answer
  The correct answer is B .