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 151: A cinema halll contains a certain number of people. If 25/2% are children, 95/2% are men and 84 are women, find the number of men in the hall. Options:
  A) 63
  B) 84
  C) 113
  D) 133
  Show Answer
  The correct answer is D .
• Question 152:

  The result of rolling a fair die 150 times is as summarized in the table given.

  $\begin{array}{ccccccc}\text{Number}& 1& 2& 3& 4& 5& 6\\ \text{Frequency}& 12& 18& x& 30& 2x& 45\end{array}$

  What is the probability of obtaining a 5?

  Options:
  A) $\frac{3}{10}$
  B) $\frac{1}{5}$
  C) $\frac{1}{6}$
  D) $\frac{1}{10}$
  Show Answer
  The correct answer is B .
• Question 153:

  

  The shaded region in the Venn diagram above is

  Options:
  A) P${}^{\circ }$ $\cap$(Q $\cap$ R)
  B) P $\cap$ Q
  C) P${}^{\circ }$$\cup$(Q$\cap$R)
  D) P${}^{\circ }$ $\cup$(Q $\cup$R)
  Show Answer
  The correct answer is A .
• Question 154:

  

  The table above shows that the scores of a group of students in a test. If the average score is 3.5, find the value of x

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is B .
• Question 155:

  At what rate would a sum of N100.00 deposited for 5 years raise an interest of N7.50?

  Options:
  A) $\frac{1}{2}$%
  B) 2$\frac{1}{2}$%
  C) 1.5%
  D) 25%
  Show Answer
  The correct answer is C .
• Question 156: 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 157:

  Evaluate:

  (0.21 x 0.072 x 0.00054) (0.006 x 1.68 x 0.063), correct to 4.s.f

  Options:
  A) 0.01286
  B) 0.01285
  C) 0.1286
  D) 0.1285
  Show Answer
  The correct answer is A .
• Question 158:

  

  The bar chart above shows the distribution of marks in a class test. If the pass mark is 5, what percentage of students failed the test?

  Options:
  A) 10%
  B) 20%
  C) 50%
  D) 60%
  Show Answer
  The correct answer is C .
• Question 159:

  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 160: Simplify ($\frac{1}{\sqrt{5}+\sqrt{3}}-\frac{1}{\sqrt{5}-\sqrt{3}}$ x $\frac{1}{\sqrt{3}}$) Options:
  A) $\frac{\sqrt{3}}{\sqrt{5}}$
  B) $\frac{2\sqrt{3}}{7}$
  C) -2
  D) -1
  Show Answer
  The correct answer is B .