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01. If the expenditure of D on food was 20% more than the average expenditure of all the six persons on food, then the average monthly expenditure on food for the given person is
A. Rs. 5133  B. Rs. 5000
C. Rs. 5400 D. Rs. 5250 

Answer and Explanation

Answer: Rs. 5000

Explanation:
Expenditure of D on food = 20/100 x 3000 = 6000
Average expenditure on food for all the six persons
6000/1.2 = 5000

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02. If B and F spent respectively 10% and 15% of their expenses on clothes, then by what percentage was the expenses of F on clothes more than that of B?
A. 63.33 B. 66.67
C. 71.4  D. 75.6 
E. None of these

Answer and Explanation

Answer: 71.4 

Explanation:
Expenses of B on clothes – 10/100 x 28000 = Rs. 2800
Expenses of F on clothes = 15/100 x 32000 = Rs. 4800
Required percentage = (4800 – 2800)/2800 x 100 = 71.4%

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03. If the monthly expenses on fuel for all the six persons is the same, then for how many persons was the expenses on fuel more than 5% of their total monthly expenses?
A. 1 B. 2
C. 3 D. 4
E. 5

Answer and Explanation

Answer: 4

Explanation:
As the monthly expenses on fuel for each of them is 5/100 x 30,000
Rs. 1500, it would be more than 5% of their monthly expenses for all those whose monthly expenses is less than Rs. 30,000 i.e.
For A, B, C and E

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04. If the expenditure on ‘others’ for A was 10% more than that for D, then what percentage of the monthly expenses of A was spent on ‘others’?
A. 30.25% B. 33.33%
C. 37.5% D. 40.0 %
E. 27.5%

Answer and Explanation

Answer: 30.25%

Explanation:
Expenses on ‘Others’ for D = 22/100 x 30,000 = 6,600
Expresses on ‘Others’ for A = 6,6000 x 1.1 = Rs. 7260
Required percentage 7260/24000 x 100 = 30.25 %

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