# Income of A is Rs. 600 . If 30% of A’s income of B’ then Income of B is

- Rs. 630
- Rs. 690
- Rs. 720
- Rs. 900

**Answer: (4) Rs.900
Explanation:-
**Income of A = Rs.600

Let be the income of B = X

According to the question:-

600/X = 20/30

X = 600 x 30/20

X = Rs.900

Hence, the income B is Rs.900.