Mathematics Past Questions and Answers

\(\begin{array}{c|c}
x & 0 & 1\frac{1}{2} & 2 & 4\\
\hline
y & 0 & 5\frac{1}{2} & &
\end{array}\)
The table given shows some values for a linear graph. Find the gradient of the line

Question 1617:

PQRT is square. If x is the midpoint of PQ, Calculate correct to the nearest degree, LPXS

A 53^o
B 55^o
C 63^o
D 65^o

Question 1618:

The angle of elevation of an aircraft from a point K on the horizontal ground 30\(\alpha\). If the aircraft is 800m above the ground, how far is it from K?

A 400.00m
B 692.82m
C 923.76m
D 1,600.99m

Question 1619:

The population of students in a school is 810. If this is represented on a pie chart, calculate the sectoral angle for a class of 7 students

A 32^o
B 45^o
C 60^o
D 75^o

Question 1620:

The scores of twenty students in a test are as follows: 44, 47, 48, 49, 50, 51, 52, 53, 53, 54, 58, 59, 60, 61, 63, 65, 67, 70, 73, 75. Find the third quartile.

A 62
B 63
C 64
D 65