In DeltaABC PQ||BC. P and Q lies on side...

In `DeltaABC` PQ||BC. P and Q lies on side AB and AC respectively. If AB = 3AP, then what is the ratio of areas of `DeltaAPQ and DeltaABC`?

A

`1:3`

B

`1:5`

C

`1:7`

D

`1:9`

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