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 1501:

  Evaluate (0.14² x 0.275) ÷ 7(0.02) to 3 decimal places.

  Options:
  A) 0.039
  B) 0.358
  C) 0.033
  D) 0.308
  Show Answer
  The correct answer is A .
• Question 1502: The pilot of an aeroplane, flying 10km above the ground in the direction of a landmark, views the landmark to have angles of depression of 35^o and 55^o. Find the distance between the two points of observation Options:
  A) 10(sin 35^o - sin 55^o)
  B) 10 cos35^o - cos 55^o
  C) 10(tan35^o - tan55^o)
  D) 10(cot35^o - cot55^o)
  Show Answer
  The correct answer is D .
• Question 1503: The radius r of a circular disc is increasing at the rate of 0.5cm/sec. At what rate is the area of the disc increasing when its radius is 6cm? Options:
  A) 36 π cm²/sec
  B) 18 π cm²/sec
  C) 6 π cm²/sec
  D) 3 π cm²/sec
  Show Answer
  The correct answer is C .
• Question 1504:

  Simplify $\sqrt{27}$ + $\frac{3}{\sqrt{3}}$

  Options:
  A) 4$\sqrt{3}$
  B) $\frac{4}{\sqrt{3}}$
  C) 3$\sqrt{3}$
  D) $\frac{\sqrt{3}}{4}$
  Show Answer
  The correct answer is A .
• Question 1505: If x $\ast$ y = x + y², find the value of (2 $\ast$ 3)$\ast$5 Options:
  A) 25
  B) 11
  C) 55
  D) 36
  Show Answer
  The correct answer is D .
• Question 1506:

  Three times a certain number (x), minus 2 is less than the number minus 6.Find the possible values of x.

  Options:
  A) x <-2
  B) x>2
  C) x>-2
  D) x<2
  Show Answer
  The correct answer is A .
• Question 1507: Integrate $\frac{x^2-\sqrt{x}}{x}$ with respect to x Options:
  A) $\frac{x^2-\sqrt{x}}{x^2}$ + k
  B) $\frac{x^2}{2}$ - $\sqrt{x}$ + k
  C) $\frac{2(x^2-x)}{3x}$ + k
  D) $\frac{x^2}{2}$ - 2$\sqrt{x}$ + k
  Show Answer
  The correct answer is D .
• Question 1508: The first term of an Arithmetic progression is 3 and the fifth term is 9. Find the number of terms in the progression if the sum is 81 Options:
  A) 12
  B) 27
  C) 9
  D) 4
  E) 36
  Show Answer
  The correct answer is C .
• Question 1509: In triangle XYZ, ∠XYZ = 15${}^{\circ }$, ∠XZY = 45${}^{\circ }$ and lXYl = 7 cm. Find lYZl. Options:
  A) 14√2 cm
  B) $7\left(\frac{\sqrt{6}}{2}\right)$
  C) 7√2 cm
  D) 7 cm
  Show Answer
  The correct answer is B .
• Question 1510:

  Factorize 2t² + t - 15

  Options:
  A) (t + 3)(2t - 5)
  B) (2t + 3)(t - 5)
  C) (2t - 3)(t + 5)
  D) (t + 3)(t - 5)
  Show Answer
  The correct answer is A .