In triangle ABC a straight line parallel to BC intersects AB and AC at D and E r

Question

In triangle ABC a straight line parallel to BC intersects AB and AC at D and E respectively. If AB = 2AD, then DE : BC is

Options:

A . 2 : 3

B . 2 : 1

C . 1 : 2

D . 1 : 3

Answer: Option C

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