The length & Breadth of a rectangular field are 51 m and 30 m respectively. A tank of length 9 m, breadth 6 m and depth 5 m is dug out at the middle of the field. The earth removed is evenly spread over the remaining part of the field. Find the rise in the level of the remaining part of the field?
1
18.3 cm
2
15.4 cm
3
16 cm
4
22.4 cm
5
17.2 cm