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 1021:

  Solve the inequality: -7 $\le$ 9 - 8x < 16 - x

  Options:
  A) -1 $\le$ x $\le$ 2
  B) -1 $\le$ x < 2
  C) -1 < x < 2
  D) -1 < x $\le$ 2
  Show Answer
  The correct answer is D .
• Question 1022:

  Evaluate $(\frac{6}{0.32}÷\frac{2}{0.084}{)}^{-1}$ correct to 1 decimal place.

  Options:
  A) 1.3
  B) 2.5
  C) 4.6
  D) 3.2
  Show Answer
  The correct answer is A .
• Question 1023: Find the variance of 2, 6, 8, 6, 2 and 6 Options:
  A) 6
  B) 5
  C) √6
  D) √5
  Show Answer
  The correct answer is B .
• Question 1024: 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 1025: Obi borrows ₦10.00 at 2% per month simple interest and repays ₦8.00 after 4 months, how much does he still owe? Options:
  A) ₦10.80
  B) ₦10.65
  C) ₦2.80
  D) ₦2.67
  Show Answer
  The correct answer is C .
• Question 1026: Solve for y in the equation 10¹ x 5^{(2x - 2)} x 4^{(y - 1)} = 1 Options:
  A) $\frac{3}{4}$
  B) $\frac{5}{4}$
  C) $\frac{2}{3}$
  D) 5
  Show Answer
  The correct answer is C .
• Question 1027:

  

  Find the volume of the figure.

  Options:
  A) $\frac{a{\pi }^2}{3}(x+3y)$
  B) a${\pi }^2$y
  C) $\frac{a{\pi }^2}{3}$(y + x)
  D) ($\frac{1}{3}a{\pi }^{2}x+y$)
  Show Answer
  The correct answer is A .
• Question 1028:

  

  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 1029: What is the mean deviation 0f 3, 5, 8, 11, 12 and 21? Options:
  A) 37
  B) 60
  C) 10
  D) 4.7
  Show Answer
  The correct answer is D .
• Question 1030:

  The ratio of the length of two similar rectangular blocks is 2 : 3. If the volume of the larger block is 351cm${}^3$, then the volume of the other block is?

  Options:
  A) 234.00 cm³
  B) 526.50 cm³
  C) 166.00 cm³
  D) 687cm³
  Show Answer
  The correct answer is A .