4. A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The thickness of the bottom is:
| Useful Links From This Website |
| Notifications, Admit Cards, Results, Universities |
| Books, Exam Pattern, Mock Tests, Study Materials, Syllabus, Test Papers |
A.1 dm
B.1.1 cm
C.90 cm
D. 1 m
