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 1481:

  Find the sum of the 20 terms in an arithmetic progression whose first term is 7 and last term 117?

  Options:
  A) 2480
  B) 1240
  C) 620
  D) 124
  Show Answer
  The correct answer is B .
• Question 1482: The value of (0.03)³ - (0.02)³ is Options:
  A) 0.019
  B) 0.0019
  C) 0.00019
  D) 0.000019
  E) 0.000035
  Show Answer
  The correct answer is D .
• Question 1483: Simplify $\frac{x^2-1}{x^3+2x^2-x-2}$ Options:
  A) $\frac{1}{x+2}$
  B) $\frac{x-1}{x+1}$
  C) $\frac{x-1}{x+2}$
  D) $\frac{1}{x-2}$
  Show Answer
  The correct answer is A .
• Question 1484: If the gradient of the curve y = 2kx² + x + 1 at x = 1 is 9, find k. Options:
  A) 4
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is C .
• Question 1485: If x varies inversely as the cube root of y and x = 1 when y = 8, find y when x = 3 Options:
  A) $\frac{1}{3}$
  B) $\frac{2}{3}$
  C) $\frac{8}{27}$
  D) $\frac{4}{9}$
  Show Answer
  The correct answer is C .
• Question 1486: A flagstaff stands on the top of a vertical tower. A man standing 60 m away from the tower observes that the angles of elevation of the top and bottom of the flagstaff are 64^o and 62^o respectively. Find the length of the flagstaff. Options:
  A) 60 (tan 62^o - tan 64^o)
  B) 60 (cot 64^o - cot 62^o)
  C) 60 (cot 62^o - cot 64^o)
  D) 60 (tan 64^o - tan 62^o)
  Show Answer
  The correct answer is D .
• Question 1487:
  

  The pie chart shows the income of a civil servant in month. If his monthly income is N6,000. Find his monthly basic salary.

  Options:
  A) N2,050
  B) N2600
  C) N3,100
  D) N3,450
  Show Answer
  The correct answer is A .
• Question 1488: PRSQ is a trapezium of area 14cm² in which PQ||RS. If PQ = 4cm and SR = 3cm, Find the area of SQR in cm² Options:
  A) 7.0
  B) 6.0
  C) 5.2
  D) 5.0
  Show Answer
  The correct answer is B .
• Question 1489:

  

  In the diagram, the tangent MN makes an angle of 55^o with the chord PS. IF O is the centre of the circle, find <RPS.

  Options:
  A) 55^o
  B) 45^o
  C) 35^o
  D) 25^o
  Show Answer
  The correct answer is C .
• Question 1490: Differentiate sin x - x cos x Options:
  A) x cos x
  B) x sin x
  C) -x cos x
  D) -x sin x
  Show Answer
  The correct answer is B .