JEE Main 27 July 2021 Shift 2 Solved Paper

2SO2(g)+O2(g)→2SO3(g)
The above reaction is carried out in a vessel starting with partial pressure PSO2=250m barPO2=750m bar and PSO3=0 bar . When the reaction is complete, the total pressure in the reaction vessel is _____ m bar. (Round off of the nearest integer).