1 .One year ago, the ratio between A's and B's salary was 4:5. The ratio of their individual salaries of last year and present year are 3:5 and 2:3 respectively. If their total salaries for the present year is Rs 6800, the present salary of A is

2. the ratio of A's and B's income last year was 3:4 The ratio of their own incomes of last year and this year is 4:5 and 2:3 respectively.If the total sum of their present income is Rs 41600, then find present income of A.

3. The ratio of last  year income of A,B & C is 3:4:5. While the ratio of their last year income to current year income 4:5, 2:3 and 3:4.If their total current year Income is Rs 985000. Find the difference in present income of A and B.

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