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Question

Quantitative Ability and Data Interpretation Question on Mensuration

In the triangle ABC, MN is parallel to AB. Area of trapezium ABNM is twice the area of triangle CMN. What is ratio of CM : AM ?
Triangle ABC

A

1(3+1)\frac{1}{(\sqrt3+1)}

B

(3−1)2\frac{(\sqrt3-1)}{2}

C

(3+1)2\frac{(\sqrt3+1)}{2}

D

none of these

Answer

(3+1)2\frac{(\sqrt3+1)}{2}

Explanation

Solution

The correct option is (C) : (3+1)2\frac{(\sqrt3+1)}{2}.