In the diagram, ∆XYZ is similar to ∆PRQ, XY = 5cm, XZ =3.5cm and PR = 8cm. Find PQ

A.
5.6 cm 
B.
11.2cm 
C.
11.4cm 
D.
28.0cm
Correct Answer: Option A
Explanation
(frac{PQ}{PR}=frac{XZ}{XY}; frac{PQ}{8}=frac{3.5}{5}\
PQ=frac{8times 3.5}{5}=frac{28}{5}=5.6cm)