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 871:

  $\begin{array}{cccccc}\text{Marks}& 1& 2& 3& 4& 5\\ \text{Frequency}& 2& 2& 8& 4& 4\end{array}$

  The table above shows the marks obtained in a given test. How many students took the test?

  Options:
  A) 16
  B) 20
  C) 13
  D) 15
  Show Answer
  The correct answer is B .
• Question 872:

  Evaluate log₅($y^2{x}^5÷125b^{\frac{1}{2}})$

  Options:
  A) 2 log₅y + 5log₅ y² − 3
  B) log₅ y² + 5log₅ x + 3
  C) 25log_y 5 + 3
  D) 2log₅y + 5log₅x − ½ log₅b −3
  Show Answer
  The correct answer is D .
• Question 873: In how many ways can the letters of the word TOTALITY be arranged? Options:
  A) 6720
  B) 6270
  C) 6207
  D) 6027
  Show Answer
  The correct answer is A .
• Question 874: P(-6, 1) and Q(6, 6) are the two ends of the diameter of a given circle. Calculate the radius. Options:
  A) 6.5 units
  B) 13.0 units
  C) 3.5 units
  D) 7.0 units
  Show Answer
  The correct answer is A .
• Question 875:

  What is the rate of change of the volume Vof a hemisphere with respect to its radius r when r = 2?

  Options:
  A) 8π
  B) 16π
  C) 2π
  D) 4π
  Show Answer
  The correct answer is A .
• Question 876: The sum of the interior angles of a polygon is a given as 1080^o. Find the number of the sides of the polygon. Options:
  A) 5
  B) 7
  C) 6
  D) 8
  Show Answer
  The correct answer is D .
• Question 877: Simplify the given expression $\sqrt{\frac{1-cosx}{1+cosx}}$ Options:
  A) $\frac{1-cosx}{sinx}$
  B) 1 - cos x
  C) sin x
  D) 1 + cos x
  E) $\frac{1+cosx}{sinx}$
  Show Answer
  The correct answer is A .
• Question 878: A student has 5 courses to take from Mathematics and physics. There are 4 courses in Mathematics and 3 in Physics which he can choose his courses so that he takes exactly two courses in Physics? Options:
  A) 48
  B) 12
  C) 10
  D) 7
  Show Answer
  The correct answer is B .
• Question 879:

  The line $3y+6x$ = 48 passes through the points A(-2, k) and B(4, 8). Find the value of k.

  Options:
  A) 16
  B) 20
  C) 8
  D) -2
  Show Answer
  The correct answer is B .
• Question 880:

  

  The cumulative frequency curve above shoes the distribution of the scores of 50 students in an examination. Find the 36th percentile scores

  Options:
  A) 18%
  B) 28%
  C) 36%
  D) 50%
  Show Answer
  The correct answer is B .