JEE Advanced 2020 Concept Recapitulation Test 4 Paper 1

If 250mlO2 over water at 30∘C and a total pressure of 740 torr is mixed with 300ml of N2 over water at 25∘C at total pressure of 780 torr. What will be total pressure if the mixture is in a 500 m vessel over water at 35∘C. (Given aq. tension of water at 25∘C,30∘C and 35∘C are 23.8, 31.8 and 42.2 torr.)