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:

  A ship sets sail from port A (86${}^o$N, 56${}^o$W) for port B (86${}^o$N, 64${}^o$W), which is close by. Find the distance the ship covered from port A to port B, correct to the nearest km.

  [Take $\pi$= 3.142 and R = 6370 km]

  Options:
  A) 62 km
  B) 97 km
  C) 389 km
  D) 931 km
  Show Answer
  The correct answer is A .
• Question 1272: Simplify 2.04 × 3.7 (Leave your answer in 2 decimal place) Options:
  A) 7.51
  B) 7.71
  C) 5.5
  D) 7.55
  Show Answer
  The correct answer is D .
• Question 1273:

  

  In the diagram, a cylinder is surmounted by a hemispherical bowl. Calculate the volume of the solid

  Options:
  A) 198$\pi c{m}^3$
  B) 180$\pi c{m}^3$
  C) 162$\pi c{m}^3$
  D) 216$\pi c{m}^3$
  Show Answer
  The correct answer is A .
• Question 1274: The bearing of a bird on a tree from a hunter on the ground is ₦72^oE. What is the bearing of the hunter from the birds? Options:
  A) S 18^o W
  B) S 72^o W
  C) S 72^o E
  D) S 27^o E
  E) S 27^o W
  Show Answer
  The correct answer is E .
• Question 1275: One bag contain 3 blue and 5 red balls, another bag contain 2 blue and 4 red balls respectively. One ball is drawn for each bag. What is the probability both balls are blue Options:
  A) $\frac{2}{15}$
  B) $\frac{3}{24}$
  C) $\frac{3}{21}$
  D) $\frac{3}{28}$
  Show Answer
  The correct answer is D .
• Question 1276: Find the equation of a line perpendicular to line 2y = 5x + 4 which passes through (4, 2). Options:
  A) 5y - 2x -18 = 0
  B) 5y + 2x - 18 = 0
  C) 5y - 2x + 18 = 0
  D) 5y + 2x - 2 = 0
  Show Answer
  The correct answer is B .
• Question 1277: Simplify $\frac{3\frac{2}{3}\times \frac{5}{6}\times \frac{2}{3}}{\frac{11}{15}\times \frac{3}{4}\times \frac{2}{27}}$ Options:
  A) $5\frac{2}{3}$
  B) 30
  C) $4\frac{1}{3}$
  D) 50
  Show Answer
  The correct answer is D .
• Question 1278: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 1279: 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 .
• Question 1280: A student spent ¹/₅of his allowance on books, ¹/₂ of remainder on food and kept the rest for contingencies. What fraction was kept? Options:
  A) ⁷/₁₅
  B) ⁸/₁₅
  C) ²/₅
  D) ⁴/₅
  Show Answer
  The correct answer is C .