UPSC 2014 CDS I Math Paper
© examsiri.com
Question : 90 of 100
Marks:
+1,
-0
A drainage tile is a cylindrical shell 21 cm long. The inside and outside diameters are 4.5 cm and 5.1 cm respectively. What is the volume of the clay required for the tile ?
[2014 CDS-I]
Go to Question: