The income of Rahul is Rs 60000 and his expenditure is Rs 40000. If his income is increased by 20% and expenditure in increased by 15%, then what will be the percentage increase in his savings?
If the breakeven quantity for a factory whose variable cost of manufacturing a cell is Rs. 15 and selling price is Rs. 24 is 2,400 units, find the fixed cost of the factory?
On a certain principal if the simple interest for two years is Rs 2800 and compound interest for the two years is Rs 2996, what is the rate of Interest?