A) Rs 8000
B) Rs 9500
C) Rs. 7500
D) Rs 8500
Correct Answer: C
Solution :
Ans. If total income \[=Rs\,x\] Expenditure on house rent = 20% of \[x\] Remaining amount = x-20% of x = 80% of x = 0.80x Expenditure on house hold = 70% of 0.80x Remaining amount \[0.80x=0.30\times 0.80x\] According to the questions, \[0.30\times 0.80x=1800\] \[\Rightarrow \] \[x=\frac{1800}{0.30\times 0.80}=\text{Rs}\,7500\]You need to login to perform this action.
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