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 991:

  Find the probability that a number selected at random from 40 to 50 is a prime.

  Options:
  A) $\frac{3}{11}$
  B) $\frac{5}{11}$
  C) $\frac{3}{11}$
  D) $\frac{4}{11}$
  Show Answer
  The correct answer is C .
• Question 992: Given that x² + y² + z² = 194, calculate z if x = 7 and $\sqrt{y}$ = 3 Options:
  A) $\sqrt{10}$
  B) 8
  C) 12.2
  D) 13.4
  Show Answer
  The correct answer is B .
• Question 993:

  In a sample survey of a University Community, the following table shows the percentage distribution of the number of members per household:

  $\begin{array}{cccccccccc}\text{No. of members per household}& 1& 2& 3& 4& 5& 6& 7& 8& \text{Total}\\ \text{No. of households}& 3& 12& 15& 28& 21& 10& 7& 4& 100\end{array}$

  What is the median?

  Options:
  A) 4
  B) 3
  C) 5
  D) 4.5
  E) None
  Show Answer
  The correct answer is A .
• Question 994: If the four interior angles of a quadrilateral are (p + 10)${}^{\circ }$, (p - 30)${}^{\circ }$, (2p - 450${}^{\circ }$, and (p + 15)${}^{\circ }$, then p is Options:
  A) 125${}^{\circ }$
  B) 82${}^{\circ }$
  C) 135${}^{\circ }$
  D) 105${}^{\circ }$
  E) 60${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 995:

  Evaluate (212)${}_3$ - (121)${}_3$ + (222)${}_3$

  Options:
  A) (313)${}_3$
  B) (1000)${}_3$
  C) (1020)${}_3$
  D) (1222)${}_3$
  Show Answer
  The correct answer is C .
• Question 996: 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 997: Find the area bounded by the curve y = 3x${}^2$ - 2x + 1, the coordinates x = 1 and x = 3 and the x-axis Options:
  A) 24
  B) 22
  C) 21
  D) 20
  Show Answer
  The correct answer is D .
• Question 998:

  If N = $\frac{p}{2}$$(\frac{T_1-T_2}{T_1})$. Find P when N = 12, T₁ = 27 and T₂ = 24.

  Options:
  A) 48
  B) 108
  C) 54
  D) 216
  Show Answer
  The correct answer is D .
• Question 999: A cylinder pipe, made of metal is 3cm thick.If the internal radius of the pope is 10cm.Find the volume of metal used in making 3m of the pipe. Options:
  A) 153$\pi$cm³
  B) 207$\pi$cm³
  C) 15 300$\pi$cm³
  D) 20 700$\pi$cm³
  Show Answer
  The correct answer is D .
• Question 1000: If y = x² - 2x - 3, Find the least value of y and corresponding value of x Options:
  A) x = 3, y = 3
  B) x = 1, y = -3
  C) x = 4, y = 1
  D) x = 1, y = -4
  E) x = 2, y = -3
  Show Answer
  The correct answer is D .