The incomes of A and B are in the ratio 3:2 and their expenditure are in ratio 5:3. If each saves Rs. 1000, then, A's income can be: Choices:
A) Rs. 3000	B) Rs. 4000	C) Rs. 6000	D) Rs. 9000	E) Rs. 4500
Solution: Let income of A and B be 3x and 2x respectively. Also, their expenditure is 5y and 3y.   Now, according to question,   3x-5y = 1000 ------- (i)*3   2x-3y = 1000	---------- (ii)*5   9x-15y-10x+15y = 3000-5000;   Or, -x = -2000;   Or, x = 2000;   Then, income of A = 3x = 3*2000 = Rs. 6000.   Answer: Option Rs. 6000
<result>C</result>
The incomes of A and B are in the ratio 3:2 and their expenditure are in ratio 5:3. If each saves Rs. 1000, then, A's income can be: