Answer
76270
76300
76000
Work Step by Step
76271 ( For nearest ten we need to check 76270 & 76280)
As 76270 is more near then 76280 to 76271
Nearest Ten is 76270
76271 ( For nearest hundred we need to check 76200 & 76300)
As 76300 is more near then 76200 to 76271
Nearest Hundred is 76300
76271 ( For nearest thousand we need to check 76000 & 77000)
As 76000 is more near then 77000 to 76271
Nearest Thousand is 76000