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01. If raju spent Rs. 4500 more on food and transport together than he spent on rent, then find his monthly expenses.
A. 15,000 B. 25,000
C. 30,000 D. 35,000
E. 40,000

Answer and Explanation

Answer: 30,000

Explanation:
Percentage of his expenditure spent on rent = 15%
=> Percentage of his expenditure spent on transport and food = 30%
=> 30% - 15% = 15% = Rs. 4500
=> Monthly expenses = 100%
=> 100/15(4500) = Rs. 30000

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02. If raju increased his savings, which is currently 10% of his income by 20% and reduced his expenses by 20,%, then his savings would be what percentage of his expenses?
A. 10% B. 12.5%
C. 15% D. 16 2/3%
E. 20%

Answer and Explanation

Answer: 16 2/3%

Explanation:
let his monthly income be Rs. x
Original savings = Rs. 10/100 x
New savings 10/100x + 20/100(10/100 x) = Rs. 12/100x
Original expenditure = x – 10/100 x = Rs. 90/100x
New expenditure
90/100x – 20/100(90x/100) =Rs. 72/100 x
Required percentage = 12/100x / 72/100x (100) = 16 2/3%

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03. Raju spend 20% of his expenditure on ‘others’ on entertainment. This amounted to Rs. 2100. Find his expenditure on education.
A. 5000 B. 6500
C. 7500 D. 4500
E. None of these

Answer and Explanation

Answer: None of these

Explanation:
Expenditure on entertainment = 20% of 35% = 7% = 2100
1% = 300
Expenditure on education = 20% = Rs. 6000

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04. Find the angle made by the expenditure on rent and others put together
A. 120 B. 160
C. 180 D. 210
E. 240

Answer and Explanation

Answer: 180

Explanation:
the expenditure on rent and others = 15% +35% = 50%
Required angle = 50/100(360) = 180

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05. As prices dropped, Raju’s expenditure on clothes dropped by 10%. As a result of this, his expenditure on ‘others’ decreased from Rs. 10500 to Rs. 10290. What percentage of his expenditure on ‘others’ was spent on clothes?
A. 10% B. 12%
C. 15% D. 20%
E. 22.5%

Answer and Explanation

Answer: 20%

Explanation:
Decrease in expenditure on ‘others’
10500 – 10290 = Rs. 210
 Initial expenditure on clothes
 210 (100/10) = Rs. 2100
Required percentage = 2100 / 10500(100) = 20%

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