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 1211: Four pupils have an average age of 12years and two other pupils of average age of 10.5years are added. What is the average age of the six pupils? Options:
  A) 10.5yrs.
  B) 11yrs.
  C) 11.5 yrs.
  D) 12yrs.
  E) 12.5yrs.
  Show Answer
  The correct answer is C .
• Question 1212: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 1213: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 1214: Find the nth term of the sequence 3, 6, 10, 15, 21..... Options:
  A) $\frac{n(n-1)}{2}$
  B) $\frac{n(n+1)}{2}$
  C) $\frac{(n+1)(n+2)}{2}$
  D) n(2n + 1)
  Show Answer
  The correct answer is C .
• Question 1215: Determine x + y if $\left(\begin{array}{cc}2& -3\\ -1& 4\end{array}\right)$ $\left(\begin{array}{c}x\\ y\end{array}\right)$ = $\left(\begin{array}{c}-1\\ 8\end{array}\right)$ Options:
  A) 3
  B) 4
  C) 7
  D) 12
  Show Answer
  The correct answer is C .
• Question 1216: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .
• Question 1217:

  

  The mean score is

  Options:
  A) 7.0
  B) 8.7
  C) 9.5
  D) 11.0
  Show Answer
  The correct answer is B .
• Question 1218:

  A cylindrical tank has a capacity of 3080m${}^3$. What is the depth of the tank if the diameter of its base is 14m?

  Options:
  A) 25m
  B) 23m
  C) 22m
  D) 20m
  Show Answer
  The correct answer is D .
• Question 1219: From the diagram above, find the bearing of R and S Options:
  A) 226${}^{\circ }$
  B) 224${}^{\circ }$
  C) 136${}^{\circ }$
  D) 134${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1220:

  Let (*) be a binary operation on a natural number defined by a * b = a - b + (ab)${}^2$, then find 3 * 5

  Options:
  A) 223
  B) 232
  C) 32
  D) -232
  Show Answer
  The correct answer is A .