state gov DDA Junior Secretariat Assistant (JSA) Mock Test 2023 Quantitative Aptitude Mensuration Plane Figures
D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD : DB = 2 : 5 and area of ΔADE is 8 sq cm, what is the ratio of area of ΔADE : area of quadrilateral BDEC?
1
(4 : 45)
2
(45 : 4)
3
(8 : 45)
4
(45 : 8)