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 2761: The determination of the matrix $\left(\begin{array}{ccc}1& 3& 3\\ 4& 5& 6\\ 2& 0& 1\end{array}\right)$ is Options:
  A) -67
  B) -57
  C) -3
  D) 3
  Show Answer
  The correct answer is D .
• Question 2762: From a point Z, 60 m north of X, a man walks 60√3m eastwards to another point Y. Find the bearing of Y from X. Options:
  A) 0.30^o
  B) 045^o
  C) 060^o
  D) 090^o
  Show Answer
  The correct answer is C .
• Question 2763:

  Evaluate $\int x^2\text{Sin}x\mathrm{\Delta }x$

  Options:
  A) −Cos x + 2xSin x + C
  B) −Cos x + 2
  C) x²Cos x + 2xSin x + 2Cos x+ C
  D) −x²Cos x + 2xSinx + 2Cos x + C
  Show Answer
  The correct answer is D .
• Question 2764: What is the size of an exterior angle of a regular pentagon? Options:
  A) 36^o
  B) 60^o
  C) 72^o
  D) 120^o
  E) 360^o
  Show Answer
  The correct answer is C .
• Question 2765: A chord of a circle subtends an angle of 12o degrees at the centre of a circle of diameter 4√3 cm. Calculate the area of the major sector. Options:
  A) 4π cm²
  B) 32 π cm²
  C) 16 π cm²
  D) 8 π cm²
  Show Answer
  The correct answer is D .
• Question 2766:

  If y varies inversely as x and x = 3 when y =4. Find the value of x when y = 12

  Options:
  A) 4
  B) 1
  C) 2
  D) 3
  Show Answer
  The correct answer is B .
• Question 2767: 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 2768:

  

  In the diagram above, QR // TS, QR : TS = 2.3, Find the ratio of the area of triangle PQR to the area of the trapezium QRST.

  Options:
  A) 4:9
  B) 4:5
  C) 1:3
  D) 2:3
  Show Answer
  The correct answer is B .
• Question 2769:

  Simplify $(\sqrt[3]{64}{a}^3{)}^{-1}$.

  Options:
  A) $4a$
  B) $\frac{1}{8a}$
  C) $8a$
  D) $\frac{1}{4a}$
  Show Answer
  The correct answer is D .
• Question 2770: A cone with the sector angle of 45^o is cut out of a circle of radius of the cone. Options:
  A) $\frac{r}{16}$ cm
  B) $\frac{r}{6}$ cm
  C) $\frac{r}{8}$ cm
  D) $\frac{r}{2}$ cm
  Show Answer
  The correct answer is C .