Congruence and Similarity of Triangles · Quantitative Aptitude · SSC CGL Tier I

ABC is a triangle and D is a point on the side BC. If BC = 16 cm, BD = 11 cm and ∠ADC = ∠BAC, then the length of AC is equal to:

For congruent triangles ΔABC and ΔDEF, which of the following statement is correct?

In ΔABC, DE || BC and $ {AD \ {} \over DB} = {4 \ {} \over 5}$, If DE = 12 cm, find the length of BC.