Remove duplicate entry in sql query

Question

Hi,
 
I want to truncate duplicate rows but Qty should be added
 
I have a table filled with data,
 

Item Qty MinQty MaxQty
ABC10 20 50
XYZ 12 30 40
ABC 15 20 50
 
I want the result like,
Item Qty MinQty MaxQty
ABC25 20 50
XYZ 12 30 40
 
Kindly help me to write the query for the same...