The area of similar triangles PQR and MNT are 196 $$cm^{2}$$ and 169 $$cm^{2}$$ respectively. If the longest side of the larger $$\triangle$$ PQR be 28 cm then what is the length (in cm) of the longest side of the smaller $$\triangle$$ MNT?

A

26

B

24

C

25

D

27