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 2391: The currency used in a country is called 'Matimalik'(M) and is of base seven. A lady in that country bought 4 bags of rice at M56 per bag and and 3 tins of milk at M4 per tin. What is the total cost of the item she bought? Options:
  A) M246₇
  B) M242₇
  C) M236₇
  D) M341₇
  E) M338₇
  Show Answer
  The correct answer is C .
• Question 2392: Find the value of k if $\frac{5+2r}{(r+1)(r-2)}$ expressed in partial fraction is $\frac{k}{r-2}$ + $\frac{L}{r+1}$ where K and L are constants Options:
  A) 3
  B) 2
  C) 1
  D) -1
  Show Answer
  The correct answer is A .
• Question 2393:

  Find the value of y if ${402}_y={102}_{ten}$

  Options:
  A) 4
  B) 2
  C) 5
  D) 3
  Show Answer
  The correct answer is C .
• Question 2394: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 2395: A man covered a distance of 50 miles on his first trip, on a later trip he traveled 300 miles while going 3 times as fast. His new time compared with the old distance was? Options:
  A) three times as much
  B) the same
  C) twice as much
  D) half as much
  Show Answer
  The correct answer is C .
• Question 2396:

  The extension of a stretched string is directly proportional to its tension. If the extension produced by a tension of 8 Newtons is 2cm, find the extension produced by a tension of 12 Newtons.

  Options:
  A) 2
  B) 1
  C) 0
  D) 3
  Show Answer
  The correct answer is D .
• Question 2397:
  

  The pie chart above shows the distribution of subjects offered by students in SSS III level. If 80 students enrolled in the class. What is the size of the angle of the sector in economics?

  Options:
  A) 24^o
  B) 39^o
  C) 32^o
  D) 36^o
  Show Answer
  The correct answer is C .
• Question 2398: Evaluate $\frac{6.3\times {10}^5}{81\times {10}^3}$ to 3 significant fiqures Options:
  A) 77.80
  B) 778.0
  C) 7.870
  D) 8.770
  E) 88.70
  Show Answer
  The correct answer is A .
• Question 2399: The numbers 3, 2, 8, 5, 7, 12, 9 and 14 are the marks scored by a group of students in a class test. If P is scored by an group of students in a class test. If P is the mean and Q the median, the P + Q is Options:
  A) 18
  B) 17$\frac{1}{2}$
  C) 16
  D) 15
  Show Answer
  The correct answer is D .
• Question 2400:

  

  Find the area of the shaded portion of the semicircular figure.

  Options:
  A) $\frac{r^2}{4}(4\pi -3\sqrt{3})$
  B) $\frac{r^2}{4}(2\pi -3\sqrt{3})$
  C) $\frac{1}{2}{r}^2\pi$
  D) $\frac{1}{8}{r}^2\sqrt{3}$
  E) $\frac{r^2}{4}(4\pi -3\sqrt{3})$
  Show Answer
  The correct answer is B .