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 1301: A trader in country where their currency 'MONI'(M) is in base five bought 103₅ oranges at M14₅ each. If he sold the oranges at M24₅ each, what will be his gain? Options:
  A) 103₅
  B) 1030₅
  C) 102₅
  D) 2002₅
  E) 3032₅
  Show Answer
  The correct answer is B .
• Question 1302: A housewife bought 3 kilograms of garri at ₦13.00 per kg. She deposited ₦160. 00 for half a cow and bought 24 oranges at 10k each. She came back home with ₦20.60. She therefore left home with Options:
  A) ₦220.00
  B) ₦222.00
  C) ₦201.40
  D) ₦202.00
  E) ₦180.80
  Show Answer
  The correct answer is B .
• Question 1303: If x³ - 12x - 16 = 0 has x = -2 as a solution then the equaion has Options:
  A) x = -4 as a solution also
  B) 3 roots all different
  C) 3 roots with two equal and the third different
  D) 3 roots all equal
  E) only one root
  Show Answer
  The correct answer is B .
• Question 1304: If the population of a town was 240,000 in January 1998 and it increased by 2% each year, what would be the population of the town in January, 2000? Options:
  A) 480,000
  B) 249,696
  C) 249,600
  D) 244,800
  Show Answer
  The correct answer is B .
• Question 1305:

  

  The farm yield of four crops on a piece of land in Ondo are represented on the pie chart. what is the angle of the sector occupies by Okro in the chart?

  Options:
  A) 11${}^{\circ }$
  B) 19$\frac{1}{3}$${}^{\circ }$
  C) 33$\frac{1}{3}$${}^{\circ }$
  D) 91$\frac{1}{3}$${}^{\circ }$
  E) 91${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1306: What is the mean deviation of x, 2x, x+1 and 3x. If their mean is 2? Options:
  A) 0.5
  B) 1.0
  C) 1.5
  D) 2.0
  Show Answer
  The correct answer is A .
• Question 1307: A banking recipe calls for 2.5kg of sugar and 4.5kg of flour. With this recipe some cakes were baked Using 24.5kg of a mixture of sugar and flour. How much sugar was used? Options:
  A) 12.25kg
  B) 6.75kg
  C) 8.75kg
  D) 15.75kg
  E) 8.25kg
  Show Answer
  The correct answer is C .
• Question 1308:

  The second term of a geometric series is ${}^{-2}{/}_3$ and its sum to infinity is ${}^3{/}_2$. Find its common ratio.

  Options:
  A) ${}^{-1}{/}_3$
  B) 2
  C) ${}^4{/}_3$
  D) ${}^2{/}_9$
  Show Answer
  The correct answer is A .
• Question 1309: Given that √2 = 1.1414, find without using tables, the value of $\frac{1}{\sqrt{2}}$ Options:
  A) 0.141
  B) 0.301
  C) 0.667
  D) 0.707
  Show Answer
  The correct answer is D .
• Question 1310:

  Which of the following values of the variable x, (a)x = 0, (b)x = -3, (c)x = 9, satisfy the inequalities 0 < $\frac{x+3}{x-1}$ < 2?

  Options:
  A) (a), (b), (c)
  B) (c)
  C) None of the choices
  D) All of the above
  Show Answer
  The correct answer is C .