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 1171: Make L the subject of the formula if d = $\sqrt{\frac{42W}{5L}}$ Options:
  A) $\frac{1}{d}\sqrt{\frac{42W}{5}}$
  B) $\frac{42}{5dW}$
  C) $\sqrt{\frac{42W}{5d}}$
  D) $\frac{42W}{5d^2}$
  Show Answer
  The correct answer is D .
• Question 1172:

  Find the equation of the tangent at the point (2, 0) to the curve y = x${}^2$ - 2x

  Options:
  A) y = 2x - 4
  B) y = 2x + 4
  C) y = 2x - 2
  D) y = 2x + 2
  Show Answer
  The correct answer is A .
• Question 1173: Solve the quadratic inequalities x² - 5x + 6 ≥0 Options:
  A) x ≤ 2, x ≥ 3
  B) x ≤ 3, x ≥ 2
  C) x ≤ -2, x ≥ -3
  D) x ≤-3, x ≥ 2
  Show Answer
  The correct answer is A .
• Question 1174: If m = 3, p = -3, q = 7 and r = 5/2, evaluate m(p+q+r) Options:
  A) 19.50
  B) 19.15
  C) 18.95
  D) 18.05
  Show Answer
  The correct answer is A .
• Question 1175: Two sisters, Taiwo and Keyinde, own a store. The ratio of Taiwo's share to Kehinde's is 11:9. Later, Keyinde sells $\frac{2}{3}$ of her share to Taiwo for ₦720.00. Find the value of the store. Options:
  A) ₦1,080.00
  B) ₦2,400.00
  C) ₦3,000.00
  D) ₦3,600.00
  Show Answer
  The correct answer is B .
• Question 1176: Find the capacity in litres of a cylindrical well of radius 1 meter and depth 14 metres. Options:
  A) 44 000 litres
  B) 4400 litres
  C) 440 litres
  D) 44 litres
  Show Answer
  The correct answer is C .
• Question 1177:

  The goals scored by 40 football teams from three league divisions are recorded below:

  $\begin{array}{cccccccc}\text{Number of goals}& 0& 1& 2& 3& 4& 5& 6\\ \text{frequency}& 4& 3& 15& 16& 1& 0& 1\end{array}$

  What is the total number of goals scored by all the terms?

  Options:
  A) 21
  B) 40
  C) 91
  D) 96
  Show Answer
  The correct answer is C .
• Question 1178: 2x² + 11x² + 17x + 6 by 2x + 1 Options:
  A) x² + 5x + 6
  B) 2x² + 5x - 6
  C) 2x² + 5x + 6
  D) x² - 5x + 6
  Show Answer
  The correct answer is A .
• Question 1179: A chord of a circle subtends an angle of 12o degrees at the centre of a circle of diameter 4√3 cm. Calculate the area of the major sector. Options:
  A) 4π cm²
  B) 32 π cm²
  C) 16 π cm²
  D) 8 π cm²
  Show Answer
  The correct answer is D .
• Question 1180:

  Rationalise $\frac{2\sqrt{3}+\sqrt{5}}{\sqrt{5}-\sqrt{3}}$

  Options:
  A) (3 √ 15 +11) / 2
  B) 3 √ 15 -11
  C) (3 √ 15 -11) / 2
  D) 3 √ 15 +11
  Show Answer
  The correct answer is A .