Waec Mathematics 2005 Past Questions and Answers

Question 6:

• WAEC 2005

Find the equation whose roots are 2 and \(-3\frac{1}{2}\)

A. 2x² + 3x + 14 = 0
B. 2x² + 5x + 7 = 0
C. 2x² + 5x - 7 = 0
D. 2x² + 3x - 14 = 0

Question 7:

• WAEC 2005

A man bought 220 mangoes at N5x. He sold each for 3x kobo and made a gain of N8. Find the value of x

A. 2
B. 5
C. 6
D. 10

Question 8:

• WAEC 2005

From a point P, R is 5km due west and 12km due south. Find the distance between P and R

A. 5km
B. 12km
C. 13km
D. 17km

Question 9:

• WAEC 2005

A fair die is tossed once, what is the probability of obtaining neither 5 or 2

A. \(\frac{5}{6}\)
B. \(\frac{2}{3}\)
C. \(\frac{1}{2}\)
D. \(\frac{1}{6}\)

Question 10:

• WAEC 2005

In the diagram, KL//MN, ∠LKP = 30^o and ∠NMP = 45^o. Find the size of the reflex ∠KPM.

A. 285^o
B. 255^o
C. 225^o
D. 210^o