A alone can do a piece of work in 6 days. B can do the same piece of work in 8 days. A and B signed to do it for `3200.They completed the work in 3 days with the help of C. How much is to be paid to C?
Mr Basu's annual income is Rs. 5,10,000. He spends 28% of his monthly income on paying bills, 15% on household items and 8% he donates to an NGO. If thr ee-fifths of the r emaining amount heinvests in share market, what is the amount left with him every month?