Mathematics Past Questions and Answers

The pie chart above shows the statistical distribution of 80 students in five subjects in an examination. Calculate how many student offer Mathematics.

A 30
B 11
C 50
D 20

Question 87:

If the angles of a quadrilateral are (3y + 10)°, (2y + 30)°, (y + 20)° and 4y°. Find the value of y.

A 66Â°
B 12Â°
C 30Â°
D 42Â°

Question 88:

A square tile has side 30 cm. How many of these tiles will cover a rectangular floor of length 7.2m and width 4.2m?

A 720
B 336
C 420
D 576

Question 89:

Find the length of a chord which subtends an angle of 90° at the centre of a circle whose radius is 8 cm.

A \(8\sqrt{3}\) cm
B 4 cm
C 8 cm
D \(8\sqrt{2}\) cm

Question 90:

A chord of a circle subtends an angle of 120° at the centre of a circle of diameter \(4\sqrt{3} cm\). Calculate the area of the major sector.

A 32\(\pi\) cm\(^2\)
B 4\(\pi\) cm\(^2\)
C 8\(\pi\) cm\(^2\)
D 16\(\pi\) cm\(^2\)