Mathematics Past Questions and Answers

The area of a sector a circle with diameter 12cm is 66cm². If the sector is folded to form a cone, calculate the radius of the base of the cone [Take \(\pi = \frac{22}{7}\)]

A 3.0cm
B 3.5cm
C 7.0cm
D 7.5cm

Question 3887:

A chord, 7cm long, is drawn in a circle with radius 3.7cm. Calculate the distance of the chord from the centre of the circle

A 0.7cm
B 1.2cm
C 2.0cm
D 2.5cm

Question 3888:

Which of the following is a measure of dispersion?

A Range
B Percentile
C Median
D Quartile

Question 3889:

A ship sails x km due east to a point E and continues x km due north to F. Find the bearing the bearing of f from the starting point.

A 045^o
B 090^o
C 135^o
D 225^o

Question 3890:

A box contains 13 currency notes, all of which are either N50 or N20 notes. The total value of the currency notes is N530. How many N50 notes are in the box?