P, Q and R enter into a partnership. P invests Rs. 8000 for the whole year, Q puts in Rs. 12000 at the first and increasing to Rs. 16000 at the end of 4 months, whilst R puts in at first Rs. 16000 but withdraw Rs. 4000 at the end of 9 months. Find the profit of P at the end of year, if the total profit is Rs. 22600.

Virat starts a business with Rs.6,500 and after 8 months Sohan joins Virat as his partner. After 4 years the profit is divided in the ratio of 13 : 12. What is Sohan contribution in the capital?

Two friends Pankaj and Raju entered into a partnership by investing an amount of Rs 6000 and Rs 9000 respectively and ratio of their period of investment is 2: 3. Find the profit share of Pankaj if profit share of Raju is Rs 45,000.

Ram started a business by investing Rs.48000. After 7 months, Sita joined him with a capital of Rs.56000. At the end of the year of the total profit was Rs.5885. What is the Sita share of the profit?

A is 50% more efficient than B. They together start the work and $$ {7\over 12}$$ th of work is left after 8 days. Find in what time B alone will complete the whole work.

 Pipe A alone & pipe B alone can fill the same tank in 5 hours and 4 hours respectively. If the ratio of efficiency of pipe A & B together to that of pipe C alone is 9:2, then find time taken by pipe C alone to fill the same tank?

X can complete a piece of work in thrice the time taken to complete Y and Z together. If X and Y together can complete the work in $${9{3\over 5}\ }$$days and Z alone complete in 16 days, then find the no of days taken to complete the work by X alone?

P, Q and R gets a total wage of Rs.3600 if they work together. P and Q gets a total wage of Rs. 2800 if they work together and P alone gets Rs.1600. Find the efficiency ratio of P, Q and R