Two liquids A and B form an Ideal solution. At 300K, the V.P of solution containing one mole of 'A' and 4 mole 'B' is 560mm Hg. At the same temp. If one mole of 'B' is taken out from the solution the V.P of the solution has decreased by 10mm Hg, the V.P, of pure A & B are (in mm)