Mathematics Past Questions And Answers
The sum of the first three terms of a geometric progression is half its sum to infinity. Find the positive common ratio of the progression.
- A. \(\frac{1}{4}\)
- B. \(\sqrt{\frac{3}{2}}\)
- C. \(\frac{1}{\sqrt{3}}\)
- D. \(\frac{1}{\sqrt{2}}\)
Out of 120 customers in a shop, 45 bought both bags and shoes. If all the customers bought either bags or shoes and 11 more customers bought shoes than bags:
(a) Illustrate the this information in a diagram;
(b) find the number of customers who bought shoes;
(c) calculate the probability that a customer selected at random bought bags.
View Discussion (0)WAEC 2017 THEORY.jpg)
Solve the inequalities -6 ≤ 4 - 2x< 5 - x
- A. -1< x< 5
- B. -1< x ≤ 5
- C. -1 ≤ x ≤ 6
- D. -1 ≤ x< 6
A woman buys 270 oranges for N1800.00 and sells at 5 for N40.00. What is her profit?
- A. N2,160.00
- B. N1, 620.00
- C. N630.00
- D. N360.00
Calculate the gradient of the curve \(x^{3} + y^{3} - 2xy = 11\) at (2, -1).
View Discussion (0)WAEC 2013 THEORYThe bar chart below shows the number of visitors received in a week. How many visitors were received on Friday, Tuesday and Sunday?
- A. 17
- B. 22
- C. 20
- D. 16
A ladder 16m long leans against an electric pole. If the ladder makes an angle of 65° with the ground, how far up the electric pole does its top reach
- A. 6.8m
- B. 14.5m
- C. 17.7m
- D. 34.3m
a. In the diagram below P, Q, R, and S are points on the circle with centre O.
QR // OS , ∠QOR = 2m, ∠QPR = n and ∠SOR = 54°. Find the values of m and n.
b. The length of a rectangle is 4 cmmore than the width. If the perimeter is 40 cm, find the area.
View Discussion (0)WAEC 2023 THEORYA student spent 1/5 of his allowance on books, 1/2 of remainder on food and kept the rest for contingencies. What fraction was kept?
- A. 7/15
- B. 8/15
- C. 2/5
- D. 4/5
Determine the value of x for which (x2 - 1) > 0?
- A. x< -1 or x > 1
- B. -1< x< 1
- C. x > 0
- D. x< -1