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 1161: If 2x + 3y = 1 and x - y = 11, find (x + y). Options:
  A) 5
  B) 3
  C) 8
  D) 2
  E) 11
  Show Answer
  The correct answer is E .
• Question 1162: A binary operation $\oplus$ om real numbers is defined by x $\oplus$ y = xy + x + y for two real numbers x and y. Find the value of 3 $\oplus$ - $\frac{2}{3}$. Options:
  A) - $\frac{1}{2}$
  B) $\frac{1}{3}$
  C) -1
  D) 2
  Show Answer
  The correct answer is B .
• Question 1163: What is the value of k if the mid-point of the line joining (1 - k, - 4) and (2, k + 1) is (-k , k)? Options:
  A) -3
  B) -1
  C) -4
  D) -2
  Show Answer
  The correct answer is A .
• Question 1164: A man and hid wife went to buy an article costing ₦400. The woman had 10% of the cost and the man 40% of the remainder. How much did they have altogether? Options:
  A) ₦216
  B) ₦200
  C) ₦184
  D) ₦144
  E) ₦100
  Show Answer
  The correct answer is C .
• Question 1165: An arc of a circle of radius 6cm is 8cm long. Find the area of the sector Options:
  A) 5$\frac{1}{3}$cm²
  B) 24cm²
  C) 36cm²
  D) 84cm²
  Show Answer
  The correct answer is B .
• Question 1166: Calculate the perimeter of a sector of a circle of raduis 12cm and angle 60^o. Options:
  A) (12 + 4$\pi$)cm
  B) (24 + 4$\pi$)cm
  C) (12 + 6$\pi$)cm
  D) (24 + 6$\pi$)cm
  Show Answer
  The correct answer is B .
• Question 1167: Evaluate Log₂8 + Log₂16 - Log₂4 Options:
  A) 3
  B) 4
  C) 5
  D) 6
  Show Answer
  The correct answer is C .
• Question 1168: The probability of a student passing any examination is $\frac{2}{3}$. If the student takes three examinations, what is the probability that he will not pass any of them? Options:
  A) $\frac{2}{3}$
  B) $\frac{4}{9}$
  C) $\frac{8}{27}$
  D) $\frac{1}{27}$
  Show Answer
  The correct answer is D .
• Question 1169:

  Score (x)	0	1	2	3	4	5	6
  Freq (f)	5	7	3	7	11	6	7

  Find the mean of the data.

  Options:
  A) 3.26
  B) 4.91
  C) 6.57
  D) 3.0
  Show Answer
  The correct answer is A .
• Question 1170: A man bought wrist watch for ₦150 but was only able to sell it for ₦120. Find the loss per cent on the transaction Options:
  A) 25%
  B) 11%
  C) 20%
  D) 80%
  E) 30%
  Show Answer
  The correct answer is C .