Mathematics Past Questions and Answers

A regular polygon of n sides has 160^o as the size of each interior angle. Find n

A 18
B 16
C 14
D 12

Question 32:

A girl walks 45 meters in the direction 050^o from a point Q to a point X. She then walks 24 meters in the direction 140^o from X to a point Y. How far is she then from Q?

A 69m
B 57m
C 51m
D 21m

Question 33:

An arc of a circle of radius 6cm is 8cm long. Find the area of the sector

A 5\(\frac{1}{3}\)cm2
B 24cm2
C 36cm2
D 84cm2

Question 34:

Find the total surface area of solid cone of radius 2\(\sqrt{3}\)cm and slanting side 4\(\sqrt{3}\)

A 8\(\sqrt{3}\pi \)cm2
B 24\(\pi \)cm2
C 15\(\sqrt{3}\pi \)cm2
D 36\(\pi \)cm2

Question 35:

If U and V are two distinct fixed points and W is a variable points such that UWV is a right angle, what is the locus of W?

A The perpendicular bisector of UV
B A circle with UV as radius
C A line parallel to the line UV
D A circle with the line UV as the diameter