Mathematics Past Questions and Answers

A flagpole is placed at the top of a tower. The angles of elevation of the bottom and top of the flagpole from a point on the ground 10m away are 40° and 50° respectively. Find the length of the flagpole.

A 1.8m
B 3.5m
C 8.4m
D 11.9m
E 17.3m

Question 132:

Find the Iength of a diagonal of a square whose area is 288cm².

A 24cm
B 48cm
C 95cm
D 100cm
E 124cm

Question 133:

Solve for x in the quadratic equation. 2x² + 12x + 10 = 0

A X = -5, -1
B X = -5,1
C X = -3, -2
D X = 3, 2
E X = 6, 5

Question 134:

A surveyor measured the length of a obtained 42.55 metres. If his measurement was more than the actual length and the percentage error of his measurement was 8%, calculate the actual length of the land

A 39.40 metres
B 46.20 metres
C 46.25 metres
D 46.50 metres
E 48.25 metres

Question 135:

If x + \(\frac{1}{x}\) = 8, find x² + \(\frac{1}{x^2}\)

A 64
B 62
C 32
D 16
E 4