The income of A and B is in the ratio 7 : 5, If they spend 90% and 84% of their income respectively then the savings of A and B are Rs.700 and Rs.800. Find the income of A and B respectively.
1
7000, 5000
2
5000, 7000
3
6000, 7000
4
8000 , 5000
5
None of these