For a plot of land of 100 m × 80 m, the level is to be raised by spreading the earth from a stack of a rectangular base 10 m × 8 m with vertical section being a trapezium of height 2 m. The top of the stack is 8 m × 5 m. By how many centimeters can the level be raised?
Mathematics
2014
CDS Elementary Mathematics 2014
CDS 2014
Options
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