state gov DSSSB Junior Secretariat Assistant Mock Test 2021 (Old) Quantitative Aptitude Mensuration Plane Figures
A square room is surrounded by a passage of width 4 meters as shown in the figure. If the area of the passage is 128 m2, then what is the area of the room?
1
64 m2
2
36 m2
3
24 m2
4
16 m2