In triangle ABC, D and E are points on AB and AC such that DE ∥ BC. If AD = 4 cm and DB = 6 cm, what is the ratio of the area of triangle ADE to the area of trapezium DBCE?

A. 16 : 25

B. 2 : 3

C. 4 : 25

D. 4 : 21

Doubtly AI Asked 27 Oct 2026 AI-generated · not yet verified ssc cpo Save WhatsApp Report

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Answer: D. 4 : 21

Answer: (D) 4 : 21

Triangles ADE and ABC are similar with ratio AD : AB = 4 : 10 = 2 : 5, so their areas are in the ratio 4 : 25.

Area of DBCE = 25 − 4 = 21 parts. Required ratio = 4 : 21.

Doubtly AI · 27 Oct 2026 AI-generated · not yet verified Report

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