The Portion of a Ditch 48 m Long :
The portion of a ditch 48 m long. 16.5 m wide and 4 m deep that can be filled with stones and earth available during excavation of a tunnel, cylindrical in shape of diameter 4 m and length 56 m is ( take p=22/7)
- 2/9 part
- ½ part
- ¼ part
- 1/9 part