A) $ 800
B) $ 700
C) $ 200
D) None of these
Correct Answer: B
Solution :
Explanation Income of \[\operatorname{X} = 4x\] and income of \[\operatorname{Y}= 5x\] Expenditure of \[\operatorname{X} = 7y\] and expenditure of \[\operatorname{Y} = 9y\] \[\Rightarrow \,\,\,\,4x-7y=100\] .......... (i) \[\Rightarrow \,\,\,\,5x-9y=100\] .......... (ii) On solving (i) and (ii), we get \[\operatorname{x} = 200 and y = 100.\] Thus, expenditure of x will be $ 700You need to login to perform this action.
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