P, Q and R can do a piece of work in 24 days, 30 days and 40 days respectively. They start the work together but R leaves days before the completion of the work. In how many days is the work done?
P, Q and R enter into a contract for a piece of the work for тВ╣ 1100. P and Q together are supposed to do 7/22 of the work. How much does R get?
P, Q, R enter into a partnership. P initially invests 25 lakh & adds another 10 lakhs after one year. Q initially invests 35 lakh & withdrawal 10 lakh after 2 years and R invests Rs 30 Lakhs . In what ratio should the profit be divided at the end of 3 years?
Parineeti spends 3/11th part of her monthly salary on foodgrains and 28% on jewellery. She invests the remaining part of her salary in mutual fund and stock shares in the ratio 7 : 5, if her investment in mutual fund is Rs. 22176, what is her monthly salary ?
Pipe A can fill the tank in half the time in which Pipe B can fill the same tank. If both the pipes are open simultaneously .it takes 8 hour to fill the tank .In how many hours can A alone fill the tank?
Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in:
Pofit after selling commodity for Rs. 425 is same as loss after selling it for Rs. 355. The cost of the commodity is ?
Point A and B are 90 KM apart from each other on a highway . a car starts from A another from B at the same time . if they go in the same direction , they meet after 9 hours and if they go in opposite direction , they meet after 9/7 hours the speeds (in km/hr) of A and B are
Points A and B are 70 km apart on a highway. A car starts from A and another car starts from B at the same time. If they travel in the same direction they meet in 7 h but if they travel towards each other they meet in 1 h. What are the speeds of the cars?
Population of a city increases by 2.5% per year but due to migration it decreases 0.5% per year. What will be the percentage of increase in 2 years?