Waec Mathematics 2004 Past Questions and Answers

Question 46:

• WAEC 2004

Which of the following is/are true? In a plane, the locus of points I. Equidistant from a straight line is a circle radius d where d is the distance between the point and the straight line.
II Equidistant from two given points P and Q is a circle of radius |PQ|. III Equidistant from two points is the perpendicular bisector of the line joining the two points.

A. I only
B. II only
C. III only
D. I, II and III

Question 47:

• WAEC 2004

The sides of two cubes are in the ratio 2:5. What is the ratio of their volumes?

A. 4:5
B. 8: 15
C. 6:125
D. 8:125

Question 48:

• WAEC 2004

Given that p = 2, q = -5 and r = - 4, evaluate 3p² - q² - r³

A. 101
B. 77
C. 51
D. -27

Question 49:

• WAEC 2004

A Cooperative Society, charges an interest of 5¹/₂% per annum on any amount borrowed by its members. If a member borrows N125,000, how much does he pay back after one year?

A. N136875
B. N131,875
C. N126750
D. N126250

Question 50:

• WAEC 2004

A bag contains 3 red and 2 white identical balls. lf 2 balls are picked at random from the bag, one after the other and with replacement, find the probability that they are of different colours

A. \(\frac{36}{625}\)
B. \(\frac{16}{625}\)
C. \(\frac{12}{25}\)
D. \(\frac{13}{25}\)