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 2711: Solve the inequality (x - 3)(x - 4) $\le$ 0
  Options:
  A) 3 $\le$ x $\le$ 4
  B) 3 < x < 4
  C) 3 $\le$ x < 4
  D) 3 < x $\le$ 4
  Show Answer
  The correct answer is A .
• Question 2712: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .
• Question 2713: Simplify $(\sqrt{6}+2{)}^2-(\sqrt{6}-2{)}^2$ Options:
  A) $2\sqrt{6}$
  B) $4\sqrt{6}$
  C) $8\sqrt{6}$
  D) $16\sqrt{6}$
  Show Answer
  The correct answer is C .
• Question 2714:

  

  The pie chart shows the monthly expenditure pf a public servant. The monthly expenditure on housing is twice that of school fees. How much does the worker spend on housing if his monthly income is ₦7200?

  Options:
  A) ₦1000
  B) ₦2000
  C) ₦3000
  D) ₦4000
  Show Answer
  The correct answer is B .
• Question 2715:

  $\begin{array}{cccc}\text{Age in years}& 10& 11& 12\\ \text{No. of pupils}& 6& 27& 7\end{array}$

  The table above shows the number of pupil in each age group in a class. What is the probability that a pupil chosen at random is at least 11 years old?

  Options:
  A) $\frac{27}{40}$
  B) $\frac{3}{30}$
  C) $\frac{17}{20}$
  D) $\frac{33}{40}$
  Show Answer
  The correct answer is C .
• Question 2716: If the hypotenuse of a right angle-triangle isosceles triangle is 2cm. What is the area of the triangle? Options:
  A) ¹/_√2 cm²
  B) 1 cm²
  C) √2 cm²
  D) 2√2 cm²
  Show Answer
  The correct answer is B .
• Question 2717: The area of a square is 444 sqcm. Find the length of the diagonal. Options:
  A) 12$\sqrt{2}$ cm
  B) 11$\sqrt{3}$cm
  C) 13 cm
  D) 12 cm
  Show Answer
  The correct answer is A .
• Question 2718:

  A room is12m long, 9m wide and 8m high. Find the cosine of the angle which a diagonal of the room makes with the floor of the room

  Options:
  A) $\frac{15}{17}$
  B) $\frac{8}{17}$
  C) $\frac{8}{15}$
  D) $\frac{12}{17}$
  Show Answer
  The correct answer is A .
• Question 2719: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number Options:
  A) 2
  B) 3
  C) 4
  D) 5
  E) 6
  Show Answer
  The correct answer is B .
• Question 2720: Oke deposited ₦800.00 in the bank at the rate of 12$\frac{1}{2}$% simple interest. After some time the total amount was one and half times the principal. For how many years was the money left in the bank? Options:
  A) 2$\frac{2}{3}$
  B) 4
  C) 5$\frac{1}{3}$
  D) 8
  Show Answer
  The correct answer is B .