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 1141: A bag contains 4 blue and 8 red identical balls. If two balls are picked at random with replacement, what is the probability of picking two balls of different colours? Options:
  A) 1
  B) $\frac{13}{26}$
  C) $\frac{5}{18}$
  D) $\frac{4}{9}$
  E) $\frac{2}{9}$
  Show Answer
  The correct answer is D .
• Question 1142: When a dealer sells a bicycle for ₦81 he makes a profit of 80%. What did he pay for the bicycle? Options:
  A) ₦73
  B) ₦74.52
  C) ₦75
  D) ₦87.48
  E) ₦75.52
  Show Answer
  The correct answer is C .
• Question 1143:

  

  The pie chart above represents 400 fruits on display n a grocery store. How many apples are in the store

  Options:
  A) 45
  B) 50
  C) 60
  D) 75
  Show Answer
  The correct answer is B .
• Question 1144: In a basket of fruits, there are 6 grapes, 11 bananas and 13 oranges, if one fruit is chosen at random, what is the probability that the fruit is either a grape or a banana? Options:
  A) $\frac{17}{30}$
  B) $\frac{11}{30}$
  C) $\frac{6}{30}$
  D) $\frac{5}{30}$
  Show Answer
  The correct answer is A .
• Question 1145: If P = $\left|\begin{array}{cc}5& 3\\ 2& 1\end{array}\right|$ and Q = $\left|\begin{array}{cc}4& 2\\ 3& 5\end{array}\right|$, find 2P + Q Options:
  A) $\left|\begin{array}{cc}7& 7\\ 14& 8\end{array}\right|$
  B) $\left|\begin{array}{cc}14& 8\\ 7& 7\end{array}\right|$
  C) $\left|\begin{array}{cc}7& 7\\ 8& 14\end{array}\right|$
  D) $\left|\begin{array}{cc}8& 14\\ 7& 7\end{array}\right|$
  Show Answer
  The correct answer is B .
• Question 1146: The area of the curved surface of the cone generated by the sector of a circle radius 6cm and are length 22cm is ($\pi$ = $\frac{22}{7}$) Options:
  A) 58 sq.cm
  B) 34 sq.cm
  C) 132 sq.cm
  D) 77 sq.cm
  E) 66 sq.cm
  Show Answer
  The correct answer is E .
• Question 1147: If p and q are two non zero numbers and 18(p+q) = 918+p)q, which of the following must be true?
  Options:
  A) q = 18
  B) p <1
  C) p = 18
  D) q < 1
  Show Answer
  The correct answer is A .
• Question 1148: The probability of picking a letter T from the word OBSTRUCTION is Options:
  A) $\frac{1}{11}$
  B) $\frac{2}{11}$
  C) $\frac{3}{11}$
  D) $\frac{4}{11}$
  Show Answer
  The correct answer is B .
• Question 1149: If log₅20 = x, find x Options:
  A) 1.761
  B) 1.354
  C) 1.861
  D) 2.549
  Show Answer
  The correct answer is C .
• Question 1150: In a small village of 500 people, 350 speak the local language while 200 speak pidgin English. What percentage of the population speak both. Options:
  A) 30%
  B) 10%
  C) 50%
  D) 14%
  Show Answer
  The correct answer is B .