Mathematics 2006 Waec Past Questions and Answers

Question 21 :

• WAEC 2006

If x + y = 12 and 3x - y = 20, find the value of 2x - y

A. 8
B. 10
C. 12
D. 15

Question 22 :

• WAEC 2006

Which of these equations best describes the points of intersection of the curve and the line?

A. \(x^2 + 5x - 6 = 0\)
B. X² - 5x - 6 = 0
C. X² + x - 6 = 0
D. X² - x - 6 = 0

Question 23 :

• WAEC 2006

If log_a270 - log_a10 + log_a \(\frac{1}{3}\) = 2, what is the value of a?

A. 3
B. 4
C. 5
D. 6

Question 24 :

• WAEC 2006

a conical water-jug is 7cm in diameter and 6cm deep. find the volume of water it can hold. [Take \(\pi = \frac{22}{7}\)]

A. 22cm²
B. 44cm³
C. 77cm³
D. 308²

Question 25 :

• WAEC 2006

If p = [\(\frac{Q(R - T)}{15}\)]\(^ \frac{1}{3}\), make T the subject of the relation

A. T = R + \(\frac{P^3}{15Q}\)
B. T = R - \(\frac{15P^3}{Q}\)
C. T = R + \(\frac{P^3}{15Q}\)
D. T = 15R - \(\frac{Q}{P^3}\)