RRB Group D 9-Nov-2014 Shift 1 Solved Paper

One kilogram tea powder and one kilogram sugar together cost ₹95. If the price of tea powder falls by 10% and that of sugar raises by 20% per kg each, the cost of 1 kg tea powder and 1 kg sugar together comes to ₹ 90. Then what is the original price of tea powder in rupees per kg?