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 531: If log₅20 = x, find x Options:
  A) 1.761
  B) 1.354
  C) 1.861
  D) 2.549
  Show Answer
  The correct answer is C .
• Question 532: If gt² - k - w = 0, make g the subject of the formula Options:
  A) $\frac{k+w}{t^2}$
  B) $\frac{k-w}{t^2}$
  C) $\frac{k+w}{t}$
  D) $\frac{k-w}{t}$
  Show Answer
  The correct answer is A .
• Question 533:

  A binary operation on the set of real numbers excluding -1 is such that sor all m, n $\epsilon$ R, m $\mathrm{\Delta }$ n = m + n + mn. Find the identity element of the operation.

  Options:
  A) 1
  B) -$\frac{1}{2}$
  C) -1
  D) 0
  Show Answer
  The correct answer is D .
• Question 534: If tan $\theta$ = $\frac{m^2-n^2}{2mn}$ find sec$\theta$ Options:
  A) $\frac{m^2+n^2}{(m^2-n^2)}$
  B) $\frac{m^2+n^2}{2mn}$
  C) $\frac{mn}{2(m^2+n^2)}$
  D) $\frac{m^2{n}^2}{2(m^2-n^2)}$
  Show Answer
  The correct answer is B .
• Question 535: Evaluate ${\int }_2^1$(3 - 2x)dx Options:
  A) 33m
  B) 5
  C) 2
  D) 6
  Show Answer
  The correct answer is C .
• Question 536: If m $\ast$ n = n-(m + 2) for any real numbers m and n, find the value of 3 $\ast$ (-5) Options:
  A) -6
  B) -8
  C) -10
  D) -12
  Show Answer
  The correct answer is C .
• Question 537: 3% of a family's income is spent on electricity, 58% on food, 20% on transport, 11% on education and 7% on extended family. The angles subtended at the centre of the pie chart under education and food are respectively Options:
  A) 76.8^o and 25.2^o
  B) 10.8^o and 224.6^o
  C) 112.4^o and 72.0^o
  D) 39.6^o and 212.4^o
  Show Answer
  The correct answer is D .
• Question 538:

  A train moves from P to Q at an average speed of 90km/h and immediately returns from Q to P through the same route at an average speed of 45km/h. Find the average speed for the entire journey

  Options:
  A) 55.00km/h
  B) 60.00km/h
  C) 67.50km/h
  D) 75.00km/h
  Show Answer
  The correct answer is B .
• Question 539: If 2q3₅ = 77₈, find q Options:
  A) 2
  B) 1
  C) 4
  D) O
  Show Answer
  The correct answer is A .
• Question 540: From a point Z, 60 m north of X, a man walks 60√3m eastwards to another point Y. Find the bearing of Y from X. Options:
  A) 0.30^o
  B) 045^o
  C) 060^o
  D) 090^o
  Show Answer
  The correct answer is C .