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 241:

  

  The bar chart shows the number of times the word a, and, in, it, he, to appear in a paragraph in a book. What is the ratio of the least frequent word?

  Options:
  A) $\frac{1}{4}$
  B) $\frac{1}{3}$
  C) $\frac{2}{3}$
  D) $\frac{3}{4}$
  Show Answer
  The correct answer is A .
• Question 242: If the hypotenuse of a right-angled isosceles triangle is 2cm , what is the area of the triangle? Options:
  A) $\frac{1}{\sqrt{2}}$ cm²
  B) 1 cm²
  C) $\sqrt{2}$cm²
  D) 2$sqrt2$cm²
  Show Answer
  The correct answer is B .
• Question 243: 3 girls share a number of apples in the ration 5:3:2. If the highest share is 40 apples, find the smallest share Options:
  A) 36
  B) 24
  C) 16
  D) 38
  Show Answer
  The correct answer is C .
• Question 244: What is the locus of point that is equidistant from points P(1,3) and Q(3,5)? Options:
  A) y = -χ + 6
  B) y = -χ - 6
  C) y = χ + 6
  D) y = χ - 6
  Show Answer
  The correct answer is A .
• Question 245:

  

  The shaded portion in the graph is represented by

  Options:
  A) y + x - x $\le$ 0, y - x $\le$ 0
  B) y - x + x, 3 $\le$ 0, y - x $\ge$ 0
  C) y + x - 3 $\ge$ 0, y + x $\le$ 0
  D) y - x + x3 $\ge$ 0, y + x $\le$ 0
  Show Answer
  The correct answer is C .
• Question 246: Find the minimum value of y = x² - 2x - 3 Options:
  A) 4
  B) 1
  C) -1
  D) -4
  Show Answer
  The correct answer is D .
• Question 247:

  In triangle FGB, < G = 90°, < H = 60°, while in triangle XYZ, < X = 60° and < Y = 30°. Form XYZ write down the ratio equal to $\frac{FG}{FH}$

  Options:
  A) $\frac{YX}{ZX}$
  B) $\frac{YX}{YZ}$
  C) $\frac{ZX}{YZ}$
  D) $\frac{YZ}{XY}$
  Show Answer
  The correct answer is D .
• Question 248:

  If a fair coin is tossed 3 times, what is the probability of getting at least two heads?

  Options:
  A) $\frac{2}{3}$
  B) $\frac{4}{5}$
  C) $\frac{2}{5}$
  D) $\frac{1}{2}$
  Show Answer
  The correct answer is D .
• Question 249: A man bought wrist watch for ₦150 but was only able to sell it for ₦120. Find the loss per cent on the transaction Options:
  A) 25%
  B) 11%
  C) 20%
  D) 80%
  E) 30%
  Show Answer
  The correct answer is C .
• Question 250: Find the derivative of $\frac{\sin \theta }{\cos \theta }$ Options:
  A) sec² $\theta$
  B) tan $\theta$ cosec $\theta$
  C) cosec $\theta$sec $\theta$
  D) cosec²$\theta$
  Show Answer
  The correct answer is A .