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 1321: Find ($\frac{1}{0.06}÷\frac{1}{0.042}$)^-1 Options:
  A) 1.43
  B) 1.53
  C) 3.14
  D) 4.42
  Show Answer
  The correct answer is A .
• Question 1322:

  

  In the diagram PQ is parallel to RS. What is the value of $\alpha +\beta +\gamma$

  Options:
  A) 180${}^{\circ }$
  B) 90${}^{\circ }$
  C) 360${}^{\circ }$
  D) 200${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 1323: Find the two values of y which satisfy the simultaneous equation 3x + y = 8, x² + xy = 6 Options:
  A) -1 and 5
  B) -5 and 1
  C) 1 and 5
  D) 1 and 1
  Show Answer
  The correct answer is A .
• Question 1324: Solve the system of equations: $2^{x+y}=32,3^{3y-x}=27$ Options:
  A) (3, 2)
  B) (-3, 2)
  C) (3, -2)
  D) (-3, -2)
  E) (2, 2)
  Show Answer
  The correct answer is A .
• Question 1325: If r varies inversely as the square root of s and t, how does s vary with r and t? Options:
  A) s varies inversely as r and t²
  B) s varies inverely as r² and t
  C) s varies directly as r² and t²
  D) s varies directly as r and t
  Show Answer
  The correct answer is B .
• Question 1326:

  $\begin{array}{cccccc}\text{Age in years}& 13& 14& 15& 16& 17\\ \text{No. of students}& 3& 10& 30& 42& 15\end{array}$

  The frequency distribution above shows the ages of students in a secondary school. In a pie chart constructed to represent the data, the angles corresponding to the 15 years old is

  Options:
  A) 27^o
  B) 30^o
  C) 54^o
  D) 108^o
  Show Answer
  The correct answer is D .
• Question 1327: If M represents the median and D the mode of the measurements 5, 9, 3, 5, 7, 5, 8, then (M, D) is Options:
  A) (6, 5)
  B) (5, 8)
  C) (5, 7)
  D) (5, 5)
  E) (7, 5)
  Show Answer
  The correct answer is D .
• Question 1328:

  

  The histogram above shows the distribution of monthly incomes of the workers in a company. How many workers earn more than ₦700.00?

  Options:
  A) 16
  B) 12
  C) 8
  D) 6
  Show Answer
  The correct answer is B .
• Question 1329: If Q = $\left(\begin{array}{cc}9& -2\\ -7& 4\end{array}\right)$, then |Q| is Options:
  A) -50
  B) -22
  C) 22
  D) 50
  Show Answer
  The correct answer is C .
• Question 1330: 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 .