A shopkeeper sold two different types of printers i.e.'inkjet' printers and 'laser' printers in three different months. The number of 'Inkjet' printers sold in January is 120 more than the number of 'Laser' printers sold in the same month. The number of 'Inkjet' printers sold in February is 40% less than that in January month. The total number of printers sold in February is 1224. The number of 'laser' printers sold in March is 30% more than the number of 'Inkjet' printers sold in the same month. The ratio of the total number of printers (inkjet + laser) sold in January to that in March is 75 : 46 respectively. The total number of printers sold in February is 32% less than that in January.