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 1491: The first term of a geometric progression is twice its common ratio. Find the sum of the first two terms of the G.P if its sum to infinity is 8. Options:
  A) 8/5
  B) 8/3
  C) 72/25
  D) 56/9
  Show Answer
  The correct answer is C .
• Question 1492: Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2950, find y. Options:
  A) 51
  B) 48
  C) 30
  D) 25
  E) 18
  Show Answer
  The correct answer is C .
• Question 1493:

  Find the sum of the 20 terms in an arithmetic progression whose first term is 7 and last term 117?

  Options:
  A) 2480
  B) 1240
  C) 620
  D) 124
  Show Answer
  The correct answer is B .
• Question 1494: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 1495:

  

  The pie chart above shows the expenditure of a family whose income is N30.000. If the expenditure on food is twice that on housing and that on school fees is twice that on transport, how much does the family spend on food?

  Options:
  A) N28,000
  B) N12,500
  C) N15,000
  D) N25,000
  Show Answer
  The correct answer is B .
• Question 1496: An operation * is defined on the set of real numbers by a * b = ab + 2(a + b + 1). find the identity elements Options:
  A) 2
  B) 1
  C) -1
  D) -2
  Show Answer
  The correct answer is C .
• Question 1497: Find the values of m which make the following quadratic function a perfect square. x² + 2(m + 1)x + m + 3 Options:
  A) -1, 1
  B) -1, 2
  C) 1, -2
  D) 2, -2
  Show Answer
  The correct answer is C .
• Question 1498: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 1499: In base ten, the number 101101 (base 2) equals Options:
  A) 15
  B) 4
  C) 45
  D) 32
  E) 90
  Show Answer
  The correct answer is C .
• Question 1500: If two graphs y = px² + q and y = 2x² -1 intersect at x = 2, find the value of p in terms q. Options:
  A) $\frac{q-8}{7}$
  B) $\frac{7-q}{4}$
  C) $\frac{8-q}{2}$
  D) $\frac{7+q}{8}$
  Show Answer
  The correct answer is B .