Given,

441.01 - 232.99+ 1649.99 =?+ 1225.92

It can be approximated as

440 - 230+ 1650 =?+ 1225

= 210+1650=?+1225

= 1860= ?+1225

= 1860-1225

= 635 ≈ 630

Hence, Option B is correct.