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 1391: If two smaller sides of a right angled triangle are 4cm and 5cm, find its area Options:
  A) 10 cm²
  B) 6 cm²
  C) 24 cm²
  D) 8 cm²
  Show Answer
  The correct answer is A .
• Question 1392:

  Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?

  Options:
  A) 210
  B) 1050
  C) 21400
  D) 25200
  Show Answer
  The correct answer is A .
• Question 1393: On a square paper of length 2.524375cm is inscribed square diagram of length 0.524375cm. Find the area of the paper not covered by the diagram. correct to 3 significant figures. Options:
  A) 6.00cm²
  B) 6.10cm²
  C) 6cmv
  D) 6.09cm²
  E) 4.00cm²
  Show Answer
  The correct answer is B .
• Question 1394: 3y = 4x - 1 and Ky = x + 3 are equations of two straight lines. If the two lines are perpendicular to each other, find K. Options:
  A) -4/3
  B) -3/4
  C) 3/4
  D) 4/3
  Show Answer
  The correct answer is A .
• Question 1395:

  A sum of money was invested at 8% per annum simple interest. If after 4 years the money amounts to ₦330.00. Find the amount originally invested

  Options:
  A) ₦180.00
  B) ₦165.00
  C) ₦150.00
  D) ₦250.00
  E) ₦200.00
  Show Answer
  The correct answer is D .
• Question 1396: Evaluate $\frac{\frac{3}{8}÷\frac{1}{2}-\frac{1}{3}}{\frac{1}{8}\times \frac{2}{3}+\frac{1}{3}}$ Options:
  A) $\frac{1}{4}$
  B) $\frac{1}{3}$
  C) $\frac{1}{2}$
  D) 1
  Show Answer
  The correct answer is D .
• Question 1397:

  

  In the diagram, find PQ if the area of triangle PQR is 35cm²

  Options:
  A) 7cm
  B) 10cm
  C) 14cm
  D) 17cm
  Show Answer
  The correct answer is A .
• Question 1398: If log₃x² = -8, what is x? Options:
  A) $\frac{1}{3}$
  B) $\frac{1}{9}$
  C) $\frac{1}{27}$
  D) $\frac{1}{81}$
  Show Answer
  The correct answer is D .
• Question 1399:

  The difference between an exterior angle of (n - 1) sided regular polygon and an exterior angle of (n + 2) sided regular polygon is 6${}^o$, then the value of "n" is

  Options:
  A) 11
  B) 13
  C) 12
  D) 14
  Show Answer
  The correct answer is B .
• Question 1400:

  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 .