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 941:

  

  In the diagram, P, Q and R are three points in a plane such that the bearing of R from Q is 110^o and the bearing of Q from P is 050^o. Find angle PQR.

  Options:
  A) 60^o
  B) 70^o
  C) 120^o
  D) 160^o
  Show Answer
  The correct answer is C .
• Question 942:

  $\begin{array}{ccccc}Weight(s)& 0-10& 10-20& 20-30& 40-50\\ \text{Number of coconuts}& 10& 27& 19& 6& 2\end{array}$

  Estimate the mode of the frequency distribution above.

  Options:
  A) 13.2g
  B) 15.0g
  C) 16.8g
  D) 17.5g
  Show Answer
  The correct answer is C .
• Question 943: Find the positive number n such that thrice its square is equal to 12 times the number. Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is D .
• Question 944:

  

  In the diagram, find PQ if the area of triangle PQR is 35cm²

  Options:
  A) 7cm
  B) 10cm
  C) 14cm
  D) 17cm
  Show Answer
  The correct answer is A .
• Question 945:

  Tossing a coin and rolling a die are two separate events. What is the probability of obtaining a tail on the coin and an even number on the die?

  Options:
  A) $\frac{1}{16}$
  B) $\frac{1}{6}$
  C) $\frac{1}{4}$
  D) $\frac{3}{8}$
  Show Answer
  The correct answer is C .
• Question 946: Given distribution of color beads: blue, black, yellow, white and brown with frequencies 1, 2, 3, 4, and 5 respectively. Find the probability that a bead picked at random will be blue or white. Options:
  A) 7/15
  B) 2/5
  C) 1/3
  D) 1/15
  Show Answer
  The correct answer is C .
• Question 947: One bag contain 3 blue and 5 red balls, another bag contain 2 blue and 4 red balls respectively. One ball is drawn for each bag. What is the probability both balls are blue Options:
  A) $\frac{2}{15}$
  B) $\frac{3}{24}$
  C) $\frac{3}{21}$
  D) $\frac{3}{28}$
  Show Answer
  The correct answer is D .
• Question 948: If | 2 3 | = | 4 1 |. find the value of y. 7 Options:
  A) -6
  B) 6
  C) -12
  D) 12
  Show Answer
  The correct answer is A .
• Question 949:

  $\begin{array}{cccccc}\text{Values}& 0& 1& 2& 3& 4\\ \text{Frequency}& 1& 2& 2& 1& 9\end{array}$

  Find the mode of the distribution above

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is D .
• Question 950: If cos$\theta$ = $\frac{a}{b}$, find 1 + tan²$\theta$ Options:
  A) $\frac{b^2}{a^2}$
  B) $\frac{a^2}{b^2}$
  C) $\frac{a^2+b^2}{b^2-a^2}$
  D) $\frac{2a^2+b^2}{a^2+b^2}$
  Show Answer
  The correct answer is A .