Akash starts a business with Rs 85000 and Payal joins him with Rs 102000. If the profit at the end of a year is divided in the ratio 1 : 1, then after how many months did Payal join Akash?
The incomes of P and Q are in the ratio 4 : 7 and their expenditures are in the ratio 3 : 7. If P saves Rs 10000 and Q saves Rs 7000, then what will be the income (in Rs) of P?