railway RRB Technician Grade 1 Mock Test 2024 Quantitative Aptitude Geometry Triangles, Congruence and Similarity
D and E are midpoints of sides AB and AC of ΔABC. If the ratio of area of BCED and ADE be 27 : 9 and AD = 3 cm then find DB.
1
2 cm
2
3 cm
3
6 cm
4
1.5 cm