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 401: Find the difference between the range and the variance of the following set of numbers 4, 9, 6, 3, 2, 8, 10, 5, 6, 7 where $\sum d^2$ = 60 Options:
  A) 2
  B) 3
  C) 4
  D) 6
  Show Answer
  The correct answer is A .
• Question 402:

  

  In the figure, PQRSTW is a regular hexagon. QS intersects RT at V. Calculate TVS.

  Options:
  A) 60${}^{\circ }$
  B) 90${}^{\circ }$
  C) 120${}^{\circ }$
  D) 30${}^{\circ }$
  E) 80${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 403: If two angles of a triangle are 30^o each and the longest side is 10cm. Calculate the length of each of the other sides Options:
  A) 5cm
  B) 4cm
  C) 3√3 cm
  D) 10$\frac{3}{3}$cm
  Show Answer
  The correct answer is D .
• Question 404: express 62 $÷$ 3 as a decimal correct to 3 significant figures Options:
  A) 20.6
  B) 20.667
  C) 20.67
  D) 20.7
  Show Answer
  The correct answer is D .
• Question 405: The variance of the scores 1, 2, 3, 4, 5 is Options:
  A) 1, 2
  B) 1, 4
  C) 2.0
  D) 3.0
  Show Answer
  The correct answer is C .
• Question 406:

  

  Find the length of the chord |AB| in the diagram shown above.

  Options:
  A) 4.2 cm
  B) 4.3 cm
  C) 3.2 cm
  D) 3.4 cm
  Show Answer
  The correct answer is D .
• Question 407: Find the sum of the first twenty terms of the progression log a, log a², log a³..... Options:
  A) log a²⁰
  B) log a²¹
  C) log a²⁰⁰
  D) log a²¹⁰
  Show Answer
  The correct answer is D .
• Question 408: A man wishes to keep his money in a savings deposit at 25% compound interest so that after three years he can buy a car for ₦150,000. How much does he need to deposit? Options:
  A) ₦112,000.50
  B) ₦96,000.00
  C) ₦85,714.28
  D) ₦76,800.00
  Show Answer
  The correct answer is D .
• Question 409:

  

  Evaluate ($\sin$45^o + $\sin$3^o ) in surd form.

  Options:
  A) $\frac{\sqrt{3}}{2\sqrt{2}}$
  B) √3 − $\frac{1}{2}$
  C) $\frac{1}{2}$√2
  D) 1 + $\frac{\sqrt{2}}{2}$
  Show Answer
  The correct answer is D .
• Question 410: In a class of 40 students, 32 offer mathematics, 24 offer Physics, and 4 offer neither Mathematics nor Physics. How many offer both Mat
  ematics and Physics? Options:
  A) 20
  B) 16
  C) 8
  D) 4
  Show Answer
  The correct answer is A .