For the following questions answer them individually
Find simple interest on 7,300 at 12% p.a for the period from 5th January 2007 to
11th April 2007 ?
One kg Tea powder and one kg Sugar together cost I' 95. If the price of Tea powder falls by 10% and the price of Sugar raises by 20% per kg each, the cost of one kg Tea powder and one kg Sugar together comes to t 90. Then what is the original price of Tea powder in rupees per kg ?