A) Rs. 3400
B) Rs. 3600
C) Rs. 4000
D) Rs. 4400
Correct Answer: C
Solution :
Let the incomes of A and B be Rs. 5x and Rs. 4x respectively and let their expenditures be Rs. 3y and Rs. 2y respectively. Then, \[5x-3y=1600\] ... (i) and \[4x-2y=1600\] ... (ii) On multiplying Eq (i) by 2 and Eq (ii) by 3 and subtracting, we get \[2x=1600\Rightarrow x=800\] \[\therefore \]As income = Rs. 5x = Rs. (5\[\times \]800) = Rs. 4000You need to login to perform this action.
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