If I have a aaproved loan for $250K and buy a house for $240K can I still get the loan for $250k for house repairs

Maybe.... To get extra money requires a special rehab type loan. There are two types, the FHA 203k, and the Fannie Mae Homestyle. Talk to your Loan officer about how they work, and visit my renovation website at https://joemetzler.com/renovation/ I lend in MN WI IA SD and ND. NMLS 274132