If Area of Triangle BPQ is 20 Square Unit :

In the above figure, ABCD is a parallel-gram. P is a point on BC such that PB:PC=1:2. DP and AB when both produced meet at Q. If area when both produced meet at Q. If area of triangle BPQ is 20 square unit, the area of triangle DCP is

1. 20 square unit
2. 30 square unit
3. 40 square unit
4. None of the above