(5,10), (15,15) and (5,5) are the coordinates of vertices A, B and C respectively of △ABC and P is a point on median AD such that AP:PD=2:3. Ratio of the areas of the triangles PBC and ABC is
2:3
3:4
3:5
4:5
A
3:4
B
2:3
C
3:5
D
4:5
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