Question : The ratio of monthly income and expenditure of a man is 7 : 3. If his expenditure is INR 5,400, find his monthly income.
Option 1: INR 12,600
Option 2: INR 13,300
Option 3: INR 11,500
Option 4: INR 10,400
Correct Answer: INR 12,600
Solution : Given: The ratio of monthly income and expenditure of a man = 7 : 3 Expenditure = INR 5,400 Let monthly income be $7x$ and monthly expenditure be $3x$ According to the question: $3x=5400$ ⇒ $x=1800$ Thus, monthly income $=7x=7\times1800 = 12600$ Hence, the correct answer is INR 12,600.
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Question : The monthly income of an employee was INR 26,500 and his monthly expenditure was INR 22,000. Next year his income increased by 20% and his expenditure increased by 15%. Find the percentage increase in his savings.
Option 1: $44 \frac{7}{9} \%$
Option 2: $44 \frac{8}{9} \%$
Option 3: $44 \frac{5}{9} \%$
Option 4: $44 \frac{4}{9} \%$
Question : The monthly incomes of Ravi and Shiv are in the ratio 1 : 2 and their monthly expenditures are in the ratio 1 : 3. If each saves INR 4,000 per month, then find the monthly income of Shiv.
Option 1: INR 16,000
Option 2: INR 18,000
Option 3: INR 14,000
Option 4: INR 20,000
Question : The monthly income of Ramesh was Rs.16,500 and his monthly expenditure was Rs.10,500. Next year his income increased by 25% and his expenditure increased by 19%. Find the percentage increase in his savings.
Option 1: 33.5%
Option 2: 34.5%
Option 3: 32.5%
Option 4: 35.5%
Question : A man spends $\frac{2}{3} $rd of his income. If his income increases by 14% and the expenditure increases by 20%, then the percentage increase in his savings will be?
Option 1: 6%
Option 2: 2%
Option 3: 4%
Option 4: 1%
Question : A man spends 65% of his income. His income increases by 20% and his expenditure also increases by 10%. The percentage of increase in his savings is ________.
Option 1: 38.5%
Option 2: 35.8%
Option 3: 10%
Option 4: 20%
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