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 1151: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 1152: Solve the inequality x - 1 > 4(x + 2)
  Options:
  A) x > -3
  B) x < -3
  C) 2 < x < 3
  D) -3 < x < -2
  Show Answer
  The correct answer is B .
• Question 1153: The value of $(0.303{)}^3-(0.02{)}^3$ is Options:
  A) 0.019
  B) 0.0019
  C) 0.00019
  D) 0.000019
  E) 0.0278
  Show Answer
  The correct answer is E .
• Question 1154: Simplify 4$\sqrt{27}$ + 5$\sqrt{12}$ − 3$\sqrt{75}$ Options:
  A) 7
  B) − 7
  C) − 7$\sqrt{3}$
  D) 7$\sqrt{3}$
  Show Answer
  The correct answer is D .
• Question 1155: In Δ ABC, A = 60°, C = 90° and AC = 12m. Find the Length of the hypotenuse. Options:
  A) 24m
  B) 14m
  C) 12m
  D) 7m
  E) 6m
  Show Answer
  The correct answer is A .
• Question 1156: A cone with the sector angle of 45^o is cut out of a circle of radius of the cone. Options:
  A) $\frac{r}{16}$ cm
  B) $\frac{r}{6}$ cm
  C) $\frac{r}{8}$ cm
  D) $\frac{r}{2}$ cm
  Show Answer
  The correct answer is C .
• Question 1157: P(-6, 1) and Q(6, 6) are the two ends of the diameter of a given circle. Calculate the radius. Options:
  A) 6.5 units
  B) 13.0 units
  C) 3.5 units
  D) 7.0 units
  Show Answer
  The correct answer is A .
• Question 1158: 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 1159: Ice forms on a refrigerator ice-box at the rate of (4 - 06t)g per minute after t minutes. If initially there are 2g of ice in the box, find the mass of ice formed in 5 minutes Options:
  A) 19.5
  B) 17.0
  C) 14.5
  D) 12.5
  Show Answer
  The correct answer is C .
• Question 1160:

  

  In the diagram above, QR is in the diameter of the semicircle QR. Find the areas of the figure to the nearest whole number.

  Options:
  A) 89 cm²
  B) 70 cm²
  C) 90 cm²
  D) 80 cm²
  Show Answer
  The correct answer is C .