Subject :IMO Class : Class 8
A solid iron rectangular block of dimensions 4.4 m, 2.6 m and 1 m is cast into a hollow cylindrical pipe of internal radius 30 cm and thickness 5 cm. Find the length of the pipe.
A 112.5 m
B 112 m
C 212 m
D 312 m
Ans 1:
Class : Class 8