1.

A well 12 m deep with a diameter 3.5 m is dug up and earth from it is evenly spread to form a platform 10.5 m long and 8.8 m wide. Find the height of the platform.

A.  2.5 m             
B.  12.5 m           
C.  1.25m
D.         1.5m  
Answer» D.         1.5m  


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