| 1. | There were 35 students in a hostel. If the number of students is increased by 7 the expenditure on food increases by 42 per day while the average expenditure of students is reduced by 1. What was the initial expenditure on food per day ? | |
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400
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432
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442
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420
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Report Question| 2. | The average age of 8 men is increased by 2 years when two of them whose age are 21 and 23 years replaced by two new men. The average age of the two new men is ? | |
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22 years
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24 years
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28 years
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30 years
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| 3. | On mixing two classes A and B of students having average marks 25 and 40 respectively, the overall average obtained is 30. Find the ratio of the students in the classes A and B ? | |
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2 : 1
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5 : 8
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5 : 6
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3 : 4
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| 4. | In a team of 10 persons, nine persons spent 40 each for their meal and the remaining one spent 9 more than the average expenditure of all the 10 persons. The total expenditure for their meal was ? | |
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510
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310
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410
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610
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