Question
Mathematics Question on Mensuration
A plot of land in the form of a rectangle has a dimension 240 m × 180 m. A drainlet 10m wide is dug all around it (outside) and the earth dug out is evenly spread over the plot, increasing its surface level by 25 cm. The depth of the drainlet is
A
1.225 m
B
1.229 m
C
1.227 m
D
1.223 m
Answer
1.227 m
Explanation
Solution
The correct option is (C) : 1.227 m